Home / 22,191,709.79-30,625,505.30-12,402,153.70

Finding the Fourth Proportional to 22,191,709.79, 30,625,505.30 and 12,402,153.70

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Solution

The fourth proportional to 22,191,709.79, 30,625,505.30 and 12,402,153.70 is: 17,115,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191,709.79 : 30,625,505.30 = 12,402,153.70 : x
  2. Step 2: Convert to fraction form
    22,191,709.79/30,625,505.30 = 12,402,153.70/x
  3. Step 3: Cross multiply
    22,191,709.79x = 30,625,505.30 × 12,402,153.70
  4. Step 4: Simplify right side
    22,191,709.79x = 379,822,223,655,626.38
  5. Step 5: Solve for x
    x = 379,822,223,655,626.38/22,191,709.79
  6. Step 6: Final answer
    x = 17,115,500.66

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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.