Home / 8,719,711.32-12,026,385.18-5,664,909.72

Finding the Fourth Proportional to 8,719,711.32, 12,026,385.18 and 5,664,909.72

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Solution

The fourth proportional to 8,719,711.32, 12,026,385.18 and 5,664,909.72 is: 7,813,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,711.32 : 12,026,385.18 = 5,664,909.72 : x
  2. Step 2: Convert to fraction form
    8,719,711.32/12,026,385.18 = 5,664,909.72/x
  3. Step 3: Cross multiply
    8,719,711.32x = 12,026,385.18 × 5,664,909.72
  4. Step 4: Simplify right side
    8,719,711.32x = 68,128,386,302,645.95
  5. Step 5: Solve for x
    x = 68,128,386,302,645.95/8,719,711.32
  6. Step 6: Final answer
    x = 7,813,147.00

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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.