Home / 9,181,785.20-13,740,018.60-7,996,722.80

Finding the Fourth Proportional to 9,181,785.20, 13,740,018.60 and 7,996,722.80

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Solution

The fourth proportional to 9,181,785.20, 13,740,018.60 and 7,996,722.80 is: 11,966,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,785.20 : 13,740,018.60 = 7,996,722.80 : x
  2. Step 2: Convert to fraction form
    9,181,785.20/13,740,018.60 = 7,996,722.80/x
  3. Step 3: Cross multiply
    9,181,785.20x = 13,740,018.60 × 7,996,722.80
  4. Step 4: Simplify right side
    9,181,785.20x = 109,875,120,011,044.08
  5. Step 5: Solve for x
    x = 109,875,120,011,044.08/9,181,785.20
  6. Step 6: Final answer
    x = 11,966,640.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.