Home / 38,235,721.20-57,345,611.40-13,986,070.80

Finding the Fourth Proportional to 38,235,721.20, 57,345,611.40 and 13,986,070.80

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Solution

The fourth proportional to 38,235,721.20, 57,345,611.40 and 13,986,070.80 is: 20,976,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235,721.20 : 57,345,611.40 = 13,986,070.80 : x
  2. Step 2: Convert to fraction form
    38,235,721.20/57,345,611.40 = 13,986,070.80/x
  3. Step 3: Cross multiply
    38,235,721.20x = 57,345,611.40 × 13,986,070.80
  4. Step 4: Simplify right side
    38,235,721.20x = 802,039,781,109,687.12
  5. Step 5: Solve for x
    x = 802,039,781,109,687.12/38,235,721.20
  6. Step 6: Final answer
    x = 20,976,190.74

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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.