Home / 18,086,551.60-27,129,827.40-15,651,108.40

Finding the Fourth Proportional to 18,086,551.60, 27,129,827.40 and 15,651,108.40

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Solution

The fourth proportional to 18,086,551.60, 27,129,827.40 and 15,651,108.40 is: 23,476,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,551.60 : 27,129,827.40 = 15,651,108.40 : x
  2. Step 2: Convert to fraction form
    18,086,551.60/27,129,827.40 = 15,651,108.40/x
  3. Step 3: Cross multiply
    18,086,551.60x = 27,129,827.40 × 15,651,108.40
  4. Step 4: Simplify right side
    18,086,551.60x = 424,611,869,510,690.12
  5. Step 5: Solve for x
    x = 424,611,869,510,690.12/18,086,551.60
  6. Step 6: Final answer
    x = 23,476,662.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.