Home / 8,815,767.72-12,165,349.95-4,895,772.72

Finding the Fourth Proportional to 8,815,767.72, 12,165,349.95 and 4,895,772.72

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Solution

The fourth proportional to 8,815,767.72, 12,165,349.95 and 4,895,772.72 is: 6,755,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,767.72 : 12,165,349.95 = 4,895,772.72 : x
  2. Step 2: Convert to fraction form
    8,815,767.72/12,165,349.95 = 4,895,772.72/x
  3. Step 3: Cross multiply
    8,815,767.72x = 12,165,349.95 × 4,895,772.72
  4. Step 4: Simplify right side
    8,815,767.72x = 59,558,788,414,463.36
  5. Step 5: Solve for x
    x = 59,558,788,414,463.36/8,815,767.72
  6. Step 6: Final answer
    x = 6,755,938.94

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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.