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Finding the Fourth Proportional to 9,986,751.32, 13,791,235.06 and 9,442,680.80

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Solution

The fourth proportional to 9,986,751.32, 13,791,235.06 and 9,442,680.80 is: 13,039,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,751.32 : 13,791,235.06 = 9,442,680.80 : x
  2. Step 2: Convert to fraction form
    9,986,751.32/13,791,235.06 = 9,442,680.80/x
  3. Step 3: Cross multiply
    9,986,751.32x = 13,791,235.06 × 9,442,680.80
  4. Step 4: Simplify right side
    9,986,751.32x = 130,226,230,509,348.86
  5. Step 5: Solve for x
    x = 130,226,230,509,348.86/9,986,751.32
  6. Step 6: Final answer
    x = 13,039,899.20

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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.