Home / 12,781,890.48-17,639,444.13-7,559,375.48

Finding the Fourth Proportional to 12,781,890.48, 17,639,444.13 and 7,559,375.48

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Solution

The fourth proportional to 12,781,890.48, 17,639,444.13 and 7,559,375.48 is: 10,432,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,890.48 : 17,639,444.13 = 7,559,375.48 : x
  2. Step 2: Convert to fraction form
    12,781,890.48/17,639,444.13 = 7,559,375.48/x
  3. Step 3: Cross multiply
    12,781,890.48x = 17,639,444.13 × 7,559,375.48
  4. Step 4: Simplify right side
    12,781,890.48x = 133,343,181,481,250.53
  5. Step 5: Solve for x
    x = 133,343,181,481,250.53/12,781,890.48
  6. Step 6: Final answer
    x = 10,432,195.59

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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.