Home / 11,553,947.52-15,945,345.28-6,397,788.80

Finding the Fourth Proportional to 11,553,947.52, 15,945,345.28 and 6,397,788.80

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Solution

The fourth proportional to 11,553,947.52, 15,945,345.28 and 6,397,788.80 is: 8,829,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553,947.52 : 15,945,345.28 = 6,397,788.80 : x
  2. Step 2: Convert to fraction form
    11,553,947.52/15,945,345.28 = 6,397,788.80/x
  3. Step 3: Cross multiply
    11,553,947.52x = 15,945,345.28 × 6,397,788.80
  4. Step 4: Simplify right side
    11,553,947.52x = 102,014,951,444,516.86
  5. Step 5: Solve for x
    x = 102,014,951,444,516.86/11,553,947.52
  6. Step 6: Final answer
    x = 8,829,445.63

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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.