Home / 15,721,801.42-21,697,076.98-9,527,389.74

Finding the Fourth Proportional to 15,721,801.42, 21,697,076.98 and 9,527,389.74

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Solution

The fourth proportional to 15,721,801.42, 21,697,076.98 and 9,527,389.74 is: 13,148,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721,801.42 : 21,697,076.98 = 9,527,389.74 : x
  2. Step 2: Convert to fraction form
    15,721,801.42/21,697,076.98 = 9,527,389.74/x
  3. Step 3: Cross multiply
    15,721,801.42x = 21,697,076.98 × 9,527,389.74
  4. Step 4: Simplify right side
    15,721,801.42x = 206,716,508,607,242.19
  5. Step 5: Solve for x
    x = 206,716,508,607,242.19/15,721,801.42
  6. Step 6: Final answer
    x = 13,148,398.40

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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.