Home / 12,693,332.90-17,516,308.14-6,891,981.88

Finding the Fourth Proportional to 12,693,332.90, 17,516,308.14 and 6,891,981.88

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Solution

The fourth proportional to 12,693,332.90, 17,516,308.14 and 6,891,981.88 is: 9,510,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,332.90 : 17,516,308.14 = 6,891,981.88 : x
  2. Step 2: Convert to fraction form
    12,693,332.90/17,516,308.14 = 6,891,981.88/x
  3. Step 3: Cross multiply
    12,693,332.90x = 17,516,308.14 × 6,891,981.88
  4. Step 4: Simplify right side
    12,693,332.90x = 120,722,078,294,428.81
  5. Step 5: Solve for x
    x = 120,722,078,294,428.81/12,693,332.90
  6. Step 6: Final answer
    x = 9,510,668.26

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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.