Home / 22,102,913.61-30,281,101.97-21,274,520.40

Finding the Fourth Proportional to 22,102,913.61, 30,281,101.97 and 21,274,520.40

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Solution

The fourth proportional to 22,102,913.61, 30,281,101.97 and 21,274,520.40 is: 29,146,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102,913.61 : 30,281,101.97 = 21,274,520.40 : x
  2. Step 2: Convert to fraction form
    22,102,913.61/30,281,101.97 = 21,274,520.40/x
  3. Step 3: Cross multiply
    22,102,913.61x = 30,281,101.97 × 21,274,520.40
  4. Step 4: Simplify right side
    22,102,913.61x = 644,215,921,488,872.50
  5. Step 5: Solve for x
    x = 644,215,921,488,872.50/22,102,913.61
  6. Step 6: Final answer
    x = 29,146,199.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.