Home / 10,900,811.70-16,351,217.55-7,317,630.90

Finding the Fourth Proportional to 10,900,811.70, 16,351,217.55 and 7,317,630.90

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Solution

The fourth proportional to 10,900,811.70, 16,351,217.55 and 7,317,630.90 is: 10,976,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,811.70 : 16,351,217.55 = 7,317,630.90 : x
  2. Step 2: Convert to fraction form
    10,900,811.70/16,351,217.55 = 7,317,630.90/x
  3. Step 3: Cross multiply
    10,900,811.70x = 16,351,217.55 × 7,317,630.90
  4. Step 4: Simplify right side
    10,900,811.70x = 119,652,174,796,502.31
  5. Step 5: Solve for x
    x = 119,652,174,796,502.31/10,900,811.70
  6. Step 6: Final answer
    x = 10,976,446.35

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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.