Home / 20,518,325.22-30,785,966.10-8,997,831.30

Finding the Fourth Proportional to 20,518,325.22, 30,785,966.10 and 8,997,831.30

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Solution

The fourth proportional to 20,518,325.22, 30,785,966.10 and 8,997,831.30 is: 13,500,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,325.22 : 30,785,966.10 = 8,997,831.30 : x
  2. Step 2: Convert to fraction form
    20,518,325.22/30,785,966.10 = 8,997,831.30/x
  3. Step 3: Cross multiply
    20,518,325.22x = 30,785,966.10 × 8,997,831.30
  4. Step 4: Simplify right side
    20,518,325.22x = 277,006,929,375,318.97
  5. Step 5: Solve for x
    x = 277,006,929,375,318.97/20,518,325.22
  6. Step 6: Final answer
    x = 13,500,464.90

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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.