Home / 15,838,205.61-21,856,723.92-8,594,861.61

Finding the Fourth Proportional to 15,838,205.61, 21,856,723.92 and 8,594,861.61

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Solution

The fourth proportional to 15,838,205.61, 21,856,723.92 and 8,594,861.61 is: 11,860,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,205.61 : 21,856,723.92 = 8,594,861.61 : x
  2. Step 2: Convert to fraction form
    15,838,205.61/21,856,723.92 = 8,594,861.61/x
  3. Step 3: Cross multiply
    15,838,205.61x = 21,856,723.92 × 8,594,861.61
  4. Step 4: Simplify right side
    15,838,205.61x = 187,855,517,340,376.72
  5. Step 5: Solve for x
    x = 187,855,517,340,376.72/15,838,205.61
  6. Step 6: Final answer
    x = 11,860,909.12

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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.