Home / 43,017,517.60-64,526,276.40-21,518,432.80

Finding the Fourth Proportional to 43,017,517.60, 64,526,276.40 and 21,518,432.80

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Solution

The fourth proportional to 43,017,517.60, 64,526,276.40 and 21,518,432.80 is: 32,277,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017,517.60 : 64,526,276.40 = 21,518,432.80 : x
  2. Step 2: Convert to fraction form
    43,017,517.60/64,526,276.40 = 21,518,432.80/x
  3. Step 3: Cross multiply
    43,017,517.60x = 64,526,276.40 × 21,518,432.80
  4. Step 4: Simplify right side
    43,017,517.60x = 1,388,504,342,547,626
  5. Step 5: Solve for x
    x = 1,388,504,342,547,626/43,017,517.60
  6. Step 6: Final answer
    x = 32,277,649.20

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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.