Home / 12,402,542.22-17,115,060.32-6,820,740.56

Finding the Fourth Proportional to 12,402,542.22, 17,115,060.32 and 6,820,740.56

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Solution

The fourth proportional to 12,402,542.22, 17,115,060.32 and 6,820,740.56 is: 9,412,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,542.22 : 17,115,060.32 = 6,820,740.56 : x
  2. Step 2: Convert to fraction form
    12,402,542.22/17,115,060.32 = 6,820,740.56/x
  3. Step 3: Cross multiply
    12,402,542.22x = 17,115,060.32 × 6,820,740.56
  4. Step 4: Simplify right side
    12,402,542.22x = 116,737,386,111,470.58
  5. Step 5: Solve for x
    x = 116,737,386,111,470.58/12,402,542.22
  6. Step 6: Final answer
    x = 9,412,375.63

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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.