Home / 10,992,651.40-16,488,977.10-8,158,299.40

Finding the Fourth Proportional to 10,992,651.40, 16,488,977.10 and 8,158,299.40

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Solution

The fourth proportional to 10,992,651.40, 16,488,977.10 and 8,158,299.40 is: 12,237,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,651.40 : 16,488,977.10 = 8,158,299.40 : x
  2. Step 2: Convert to fraction form
    10,992,651.40/16,488,977.10 = 8,158,299.40/x
  3. Step 3: Cross multiply
    10,992,651.40x = 16,488,977.10 × 8,158,299.40
  4. Step 4: Simplify right side
    10,992,651.40x = 134,522,011,981,543.75
  5. Step 5: Solve for x
    x = 134,522,011,981,543.75/10,992,651.40
  6. Step 6: Final answer
    x = 12,237,449.10

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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.