Home / 18,144,672.40-27,217,008.60-12,475,968.40

Finding the Fourth Proportional to 18,144,672.40, 27,217,008.60 and 12,475,968.40

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Solution

The fourth proportional to 18,144,672.40, 27,217,008.60 and 12,475,968.40 is: 18,713,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,672.40 : 27,217,008.60 = 12,475,968.40 : x
  2. Step 2: Convert to fraction form
    18,144,672.40/27,217,008.60 = 12,475,968.40/x
  3. Step 3: Cross multiply
    18,144,672.40x = 27,217,008.60 × 12,475,968.40
  4. Step 4: Simplify right side
    18,144,672.40x = 339,558,539,236,128.25
  5. Step 5: Solve for x
    x = 339,558,539,236,128.25/18,144,672.40
  6. Step 6: Final answer
    x = 18,713,952.60

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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.