Home / 12,369,231.52-17,068,963.08-6,862,547.86

Finding the Fourth Proportional to 12,369,231.52, 17,068,963.08 and 6,862,547.86

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Solution

The fourth proportional to 12,369,231.52, 17,068,963.08 and 6,862,547.86 is: 9,469,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369,231.52 : 17,068,963.08 = 6,862,547.86 : x
  2. Step 2: Convert to fraction form
    12,369,231.52/17,068,963.08 = 6,862,547.86/x
  3. Step 3: Cross multiply
    12,369,231.52x = 17,068,963.08 × 6,862,547.86
  4. Step 4: Simplify right side
    12,369,231.52x = 117,136,576,057,073
  5. Step 5: Solve for x
    x = 117,136,576,057,073/12,369,231.52
  6. Step 6: Final answer
    x = 9,469,996.25

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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.