Home / 22,502,528.70-31,053,638.62-12,189,251.76

Finding the Fourth Proportional to 22,502,528.70, 31,053,638.62 and 12,189,251.76

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Solution

The fourth proportional to 22,502,528.70, 31,053,638.62 and 12,189,251.76 is: 16,821,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502,528.70 : 31,053,638.62 = 12,189,251.76 : x
  2. Step 2: Convert to fraction form
    22,502,528.70/31,053,638.62 = 12,189,251.76/x
  3. Step 3: Cross multiply
    22,502,528.70x = 31,053,638.62 × 12,189,251.76
  4. Step 4: Simplify right side
    22,502,528.70x = 378,520,619,203,239
  5. Step 5: Solve for x
    x = 378,520,619,203,239/22,502,528.70
  6. Step 6: Final answer
    x = 16,821,248.15

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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.