Home / 22,428,042.79-30,950,711.49-12,114,765.94

Finding the Fourth Proportional to 22,428,042.79, 30,950,711.49 and 12,114,765.94

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Solution

The fourth proportional to 22,428,042.79, 30,950,711.49 and 12,114,765.94 is: 16,718,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,042.79 : 30,950,711.49 = 12,114,765.94 : x
  2. Step 2: Convert to fraction form
    22,428,042.79/30,950,711.49 = 12,114,765.94/x
  3. Step 3: Cross multiply
    22,428,042.79x = 30,950,711.49 × 12,114,765.94
  4. Step 4: Simplify right side
    22,428,042.79x = 374,960,625,377,818.62
  5. Step 5: Solve for x
    x = 374,960,625,377,818.62/22,428,042.79
  6. Step 6: Final answer
    x = 16,718,383.72

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1.5x scale

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.