Home / 15,659,136.40-23,488,704.60-13,139,712.40

Finding the Fourth Proportional to 15,659,136.40, 23,488,704.60 and 13,139,712.40

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Solution

The fourth proportional to 15,659,136.40, 23,488,704.60 and 13,139,712.40 is: 19,709,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659,136.40 : 23,488,704.60 = 13,139,712.40 : x
  2. Step 2: Convert to fraction form
    15,659,136.40/23,488,704.60 = 13,139,712.40/x
  3. Step 3: Cross multiply
    15,659,136.40x = 23,488,704.60 × 13,139,712.40
  4. Step 4: Simplify right side
    15,659,136.40x = 308,634,823,092,557.06
  5. Step 5: Solve for x
    x = 308,634,823,092,557.06/15,659,136.40
  6. Step 6: Final answer
    x = 19,709,568.60

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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.