Home / 12,916,470.52-19,377,089.61-5,344,026.76

Finding the Fourth Proportional to 12,916,470.52, 19,377,089.61 and 5,344,026.76

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Solution

The fourth proportional to 12,916,470.52, 19,377,089.61 and 5,344,026.76 is: 8,017,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916,470.52 : 19,377,089.61 = 5,344,026.76 : x
  2. Step 2: Convert to fraction form
    12,916,470.52/19,377,089.61 = 5,344,026.76/x
  3. Step 3: Cross multiply
    12,916,470.52x = 19,377,089.61 × 5,344,026.76
  4. Step 4: Simplify right side
    12,916,470.52x = 103,551,685,440,999.39
  5. Step 5: Solve for x
    x = 103,551,685,440,999.39/12,916,470.52
  6. Step 6: Final answer
    x = 8,017,026.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.