Home / 20,518,304.40-30,785,934.60-8,997,810.48

Finding the Fourth Proportional to 20,518,304.40, 30,785,934.60 and 8,997,810.48

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Solution

The fourth proportional to 20,518,304.40, 30,785,934.60 and 8,997,810.48 is: 13,500,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,304.40 : 30,785,934.60 = 8,997,810.48 : x
  2. Step 2: Convert to fraction form
    20,518,304.40/30,785,934.60 = 8,997,810.48/x
  3. Step 3: Cross multiply
    20,518,304.40x = 30,785,934.60 × 8,997,810.48
  4. Step 4: Simplify right side
    20,518,304.40x = 277,006,004,980,474.62
  5. Step 5: Solve for x
    x = 277,006,004,980,474.62/20,518,304.40
  6. Step 6: Final answer
    x = 13,500,433.54

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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.