Home / 21,153,434.70-29,197,793.33-12,456,651.85

Finding the Fourth Proportional to 21,153,434.70, 29,197,793.33 and 12,456,651.85

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Solution

The fourth proportional to 21,153,434.70, 29,197,793.33 and 12,456,651.85 is: 17,193,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,434.70 : 29,197,793.33 = 12,456,651.85 : x
  2. Step 2: Convert to fraction form
    21,153,434.70/29,197,793.33 = 12,456,651.85/x
  3. Step 3: Cross multiply
    21,153,434.70x = 29,197,793.33 × 12,456,651.85
  4. Step 4: Simplify right side
    21,153,434.70x = 363,706,746,363,669.75
  5. Step 5: Solve for x
    x = 363,706,746,363,669.75/21,153,434.70
  6. Step 6: Final answer
    x = 17,193,744.25

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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.