Home / 36,641,247.20-54,961,870.80-21,272,760.80

Finding the Fourth Proportional to 36,641,247.20, 54,961,870.80 and 21,272,760.80

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Solution

The fourth proportional to 36,641,247.20, 54,961,870.80 and 21,272,760.80 is: 31,909,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,641,247.20 : 54,961,870.80 = 21,272,760.80 : x
  2. Step 2: Convert to fraction form
    36,641,247.20/54,961,870.80 = 21,272,760.80/x
  3. Step 3: Cross multiply
    36,641,247.20x = 54,961,870.80 × 21,272,760.80
  4. Step 4: Simplify right side
    36,641,247.20x = 1,169,190,730,648,904.50
  5. Step 5: Solve for x
    x = 1,169,190,730,648,904.50/36,641,247.20
  6. Step 6: Final answer
    x = 31,909,141.20

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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.