Home / 15,790,532.88-21,781,839.40-9,506,685.52

Finding the Fourth Proportional to 15,790,532.88, 21,781,839.40 and 9,506,685.52

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Solution

The fourth proportional to 15,790,532.88, 21,781,839.40 and 9,506,685.52 is: 13,113,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,532.88 : 21,781,839.40 = 9,506,685.52 : x
  2. Step 2: Convert to fraction form
    15,790,532.88/21,781,839.40 = 9,506,685.52/x
  3. Step 3: Cross multiply
    15,790,532.88x = 21,781,839.40 × 9,506,685.52
  4. Step 4: Simplify right side
    15,790,532.88x = 207,073,097,222,945.47
  5. Step 5: Solve for x
    x = 207,073,097,222,945.47/15,790,532.88
  6. Step 6: Final answer
    x = 13,113,749.79

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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.