Home / 10,117,961.80-15,171,693.90-3,724,923.40

Finding the Fourth Proportional to 10,117,961.80, 15,171,693.90 and 3,724,923.40

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Solution

The fourth proportional to 10,117,961.80, 15,171,693.90 and 3,724,923.40 is: 5,585,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117,961.80 : 15,171,693.90 = 3,724,923.40 : x
  2. Step 2: Convert to fraction form
    10,117,961.80/15,171,693.90 = 3,724,923.40/x
  3. Step 3: Cross multiply
    10,117,961.80x = 15,171,693.90 × 3,724,923.40
  4. Step 4: Simplify right side
    10,117,961.80x = 56,513,397,625,747.26
  5. Step 5: Solve for x
    x = 56,513,397,625,747.26/10,117,961.80
  6. Step 6: Final answer
    x = 5,585,452.76

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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.