Home / 15,366,052.92-21,204,845.10-8,490,358.20

Finding the Fourth Proportional to 15,366,052.92, 21,204,845.10 and 8,490,358.20

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Solution

The fourth proportional to 15,366,052.92, 21,204,845.10 and 8,490,358.20 is: 11,716,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366,052.92 : 21,204,845.10 = 8,490,358.20 : x
  2. Step 2: Convert to fraction form
    15,366,052.92/21,204,845.10 = 8,490,358.20/x
  3. Step 3: Cross multiply
    15,366,052.92x = 21,204,845.10 × 8,490,358.20
  4. Step 4: Simplify right side
    15,366,052.92x = 180,036,730,474,514.81
  5. Step 5: Solve for x
    x = 180,036,730,474,514.81/15,366,052.92
  6. Step 6: Final answer
    x = 11,716,524.17

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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.