Home / 15,172,877.40-22,759,316.10-13,791,130.80

Finding the Fourth Proportional to 15,172,877.40, 22,759,316.10 and 13,791,130.80

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Solution

The fourth proportional to 15,172,877.40, 22,759,316.10 and 13,791,130.80 is: 20,686,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,877.40 : 22,759,316.10 = 13,791,130.80 : x
  2. Step 2: Convert to fraction form
    15,172,877.40/22,759,316.10 = 13,791,130.80/x
  3. Step 3: Cross multiply
    15,172,877.40x = 22,759,316.10 × 13,791,130.80
  4. Step 4: Simplify right side
    15,172,877.40x = 313,876,705,253,645.94
  5. Step 5: Solve for x
    x = 313,876,705,253,645.94/15,172,877.40
  6. Step 6: Final answer
    x = 20,686,696.20

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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.