Home / 12,429,862.57-17,154,072.80-7,535,290.96

Finding the Fourth Proportional to 12,429,862.57, 17,154,072.80 and 7,535,290.96

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Solution

The fourth proportional to 12,429,862.57, 17,154,072.80 and 7,535,290.96 is: 10,399,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,862.57 : 17,154,072.80 = 7,535,290.96 : x
  2. Step 2: Convert to fraction form
    12,429,862.57/17,154,072.80 = 7,535,290.96/x
  3. Step 3: Cross multiply
    12,429,862.57x = 17,154,072.80 × 7,535,290.96
  4. Step 4: Simplify right side
    12,429,862.57x = 129,260,929,681,996.30
  5. Step 5: Solve for x
    x = 129,260,929,681,996.30/12,429,862.57
  6. Step 6: Final answer
    x = 10,399,224.37

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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.