Home / 9,988,957.68-13,781,387.64-6,502,704.72

Finding the Fourth Proportional to 9,988,957.68, 13,781,387.64 and 6,502,704.72

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Solution

The fourth proportional to 9,988,957.68, 13,781,387.64 and 6,502,704.72 is: 8,971,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988,957.68 : 13,781,387.64 = 6,502,704.72 : x
  2. Step 2: Convert to fraction form
    9,988,957.68/13,781,387.64 = 6,502,704.72/x
  3. Step 3: Cross multiply
    9,988,957.68x = 13,781,387.64 × 6,502,704.72
  4. Step 4: Simplify right side
    9,988,957.68x = 89,616,294,454,777.66
  5. Step 5: Solve for x
    x = 89,616,294,454,777.66/9,988,957.68
  6. Step 6: Final answer
    x = 8,971,536.10

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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.