Home / 15,442,913.97-21,313,111.29-8,916,532.47

Finding the Fourth Proportional to 15,442,913.97, 21,313,111.29 and 8,916,532.47

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Solution

The fourth proportional to 15,442,913.97, 21,313,111.29 and 8,916,532.47 is: 12,305,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,913.97 : 21,313,111.29 = 8,916,532.47 : x
  2. Step 2: Convert to fraction form
    15,442,913.97/21,313,111.29 = 8,916,532.47/x
  3. Step 3: Cross multiply
    15,442,913.97x = 21,313,111.29 × 8,916,532.47
  4. Step 4: Simplify right side
    15,442,913.97x = 190,039,048,854,008.59
  5. Step 5: Solve for x
    x = 190,039,048,854,008.59/15,442,913.97
  6. Step 6: Final answer
    x = 12,305,906.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.