Home / 12,042,681.28-16,614,855.12-7,694,312.92

Finding the Fourth Proportional to 12,042,681.28, 16,614,855.12 and 7,694,312.92

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Solution

The fourth proportional to 12,042,681.28, 16,614,855.12 and 7,694,312.92 is: 10,615,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,681.28 : 16,614,855.12 = 7,694,312.92 : x
  2. Step 2: Convert to fraction form
    12,042,681.28/16,614,855.12 = 7,694,312.92/x
  3. Step 3: Cross multiply
    12,042,681.28x = 16,614,855.12 × 7,694,312.92
  4. Step 4: Simplify right side
    12,042,681.28x = 127,839,894,357,780.17
  5. Step 5: Solve for x
    x = 127,839,894,357,780.17/12,042,681.28
  6. Step 6: Final answer
    x = 10,615,567.37

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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.