Home / 28,014,674.12-38,660,841.84-15,791,527.88

Finding the Fourth Proportional to 28,014,674.12, 38,660,841.84 and 15,791,527.88

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Solution

The fourth proportional to 28,014,674.12, 38,660,841.84 and 15,791,527.88 is: 21,792,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014,674.12 : 38,660,841.84 = 15,791,527.88 : x
  2. Step 2: Convert to fraction form
    28,014,674.12/38,660,841.84 = 15,791,527.88/x
  3. Step 3: Cross multiply
    28,014,674.12x = 38,660,841.84 × 15,791,527.88
  4. Step 4: Simplify right side
    28,014,674.12x = 610,513,761,780,630.62
  5. Step 5: Solve for x
    x = 610,513,761,780,630.62/28,014,674.12
  6. Step 6: Final answer
    x = 21,792,641.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.