Home / 40,911,515.76-61,365,778.83-12,156,904.02

Finding the Fourth Proportional to 40,911,515.76, 61,365,778.83 and 12,156,904.02

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Solution

The fourth proportional to 40,911,515.76, 61,365,778.83 and 12,156,904.02 is: 18,234,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,911,515.76 : 61,365,778.83 = 12,156,904.02 : x
  2. Step 2: Convert to fraction form
    40,911,515.76/61,365,778.83 = 12,156,904.02/x
  3. Step 3: Cross multiply
    40,911,515.76x = 61,365,778.83 × 12,156,904.02
  4. Step 4: Simplify right side
    40,911,515.76x = 746,017,883,348,857.88
  5. Step 5: Solve for x
    x = 746,017,883,348,857.88/40,911,515.76
  6. Step 6: Final answer
    x = 18,234,911.85

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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.