Home / 9,986,109.80-14,979,164.70-8,474,455.40

Finding the Fourth Proportional to 9,986,109.80, 14,979,164.70 and 8,474,455.40

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Solution

The fourth proportional to 9,986,109.80, 14,979,164.70 and 8,474,455.40 is: 12,711,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,109.80 : 14,979,164.70 = 8,474,455.40 : x
  2. Step 2: Convert to fraction form
    9,986,109.80/14,979,164.70 = 8,474,455.40/x
  3. Step 3: Cross multiply
    9,986,109.80x = 14,979,164.70 × 8,474,455.40
  4. Step 4: Simplify right side
    9,986,109.80x = 126,940,263,179,404.38
  5. Step 5: Solve for x
    x = 126,940,263,179,404.38/9,986,109.80
  6. Step 6: Final answer
    x = 12,711,683.10

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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.