Home / 15,061,922.52-20,785,590.81-8,186,422.20

Finding the Fourth Proportional to 15,061,922.52, 20,785,590.81 and 8,186,422.20

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Solution

The fourth proportional to 15,061,922.52, 20,785,590.81 and 8,186,422.20 is: 11,297,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061,922.52 : 20,785,590.81 = 8,186,422.20 : x
  2. Step 2: Convert to fraction form
    15,061,922.52/20,785,590.81 = 8,186,422.20/x
  3. Step 3: Cross multiply
    15,061,922.52x = 20,785,590.81 × 8,186,422.20
  4. Step 4: Simplify right side
    15,061,922.52x = 170,159,622,047,099.97
  5. Step 5: Solve for x
    x = 170,159,622,047,099.97/15,061,922.52
  6. Step 6: Final answer
    x = 11,297,337.50

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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.