Home / 12,641,180.60-17,438,402.42-7,678,301.28

Finding the Fourth Proportional to 12,641,180.60, 17,438,402.42 and 7,678,301.28

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Solution

The fourth proportional to 12,641,180.60, 17,438,402.42 and 7,678,301.28 is: 10,592,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,180.60 : 17,438,402.42 = 7,678,301.28 : x
  2. Step 2: Convert to fraction form
    12,641,180.60/17,438,402.42 = 7,678,301.28/x
  3. Step 3: Cross multiply
    12,641,180.60x = 17,438,402.42 × 7,678,301.28
  4. Step 4: Simplify right side
    12,641,180.60x = 133,897,307,622,641.11
  5. Step 5: Solve for x
    x = 133,897,307,622,641.11/12,641,180.60
  6. Step 6: Final answer
    x = 10,592,152.10

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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.