Home / 9,986,164.80-14,979,247.20-8,474,510.40

Finding the Fourth Proportional to 9,986,164.80, 14,979,247.20 and 8,474,510.40

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Solution

The fourth proportional to 9,986,164.80, 14,979,247.20 and 8,474,510.40 is: 12,711,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,164.80 : 14,979,247.20 = 8,474,510.40 : x
  2. Step 2: Convert to fraction form
    9,986,164.80/14,979,247.20 = 8,474,510.40/x
  3. Step 3: Cross multiply
    9,986,164.80x = 14,979,247.20 × 8,474,510.40
  4. Step 4: Simplify right side
    9,986,164.80x = 126,941,786,180,570.88
  5. Step 5: Solve for x
    x = 126,941,786,180,570.88/9,986,164.80
  6. Step 6: Final answer
    x = 12,711,765.60

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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.