Home / 22,428,043.20-30,950,711.90-12,114,766.30

Finding the Fourth Proportional to 22,428,043.20, 30,950,711.90 and 12,114,766.30

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Solution

The fourth proportional to 22,428,043.20, 30,950,711.90 and 12,114,766.30 is: 16,718,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,043.20 : 30,950,711.90 = 12,114,766.30 : x
  2. Step 2: Convert to fraction form
    22,428,043.20/30,950,711.90 = 12,114,766.30/x
  3. Step 3: Cross multiply
    22,428,043.20x = 30,950,711.90 × 12,114,766.30
  4. Step 4: Simplify right side
    22,428,043.20x = 374,960,641,487,129
  5. Step 5: Solve for x
    x = 374,960,641,487,129/22,428,043.20
  6. Step 6: Final answer
    x = 16,718,384.13

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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.