Home / 9,986,157.80-14,979,236.70-8,474,503.40

Finding the Fourth Proportional to 9,986,157.80, 14,979,236.70 and 8,474,503.40

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Solution

The fourth proportional to 9,986,157.80, 14,979,236.70 and 8,474,503.40 is: 12,711,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,157.80 : 14,979,236.70 = 8,474,503.40 : x
  2. Step 2: Convert to fraction form
    9,986,157.80/14,979,236.70 = 8,474,503.40/x
  3. Step 3: Cross multiply
    9,986,157.80x = 14,979,236.70 × 8,474,503.40
  4. Step 4: Simplify right side
    9,986,157.80x = 126,941,592,343,554.78
  5. Step 5: Solve for x
    x = 126,941,592,343,554.78/9,986,157.80
  6. Step 6: Final answer
    x = 12,711,755.10

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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.