Home / 14,610,761.88-20,158,281.18-8,811,317.40

Finding the Fourth Proportional to 14,610,761.88, 20,158,281.18 and 8,811,317.40

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Solution

The fourth proportional to 14,610,761.88, 20,158,281.18 and 8,811,317.40 is: 12,156,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610,761.88 : 20,158,281.18 = 8,811,317.40 : x
  2. Step 2: Convert to fraction form
    14,610,761.88/20,158,281.18 = 8,811,317.40/x
  3. Step 3: Cross multiply
    14,610,761.88x = 20,158,281.18 × 8,811,317.40
  4. Step 4: Simplify right side
    14,610,761.88x = 177,621,013,715,426.53
  5. Step 5: Solve for x
    x = 177,621,013,715,426.53/14,610,761.88
  6. Step 6: Final answer
    x = 12,156,861.85

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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.