Home / 13,807,939.28-20,712,739.31-4,223,400.85

Finding the Fourth Proportional to 13,807,939.28, 20,712,739.31 and 4,223,400.85

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Solution

The fourth proportional to 13,807,939.28, 20,712,739.31 and 4,223,400.85 is: 6,335,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,939.28 : 20,712,739.31 = 4,223,400.85 : x
  2. Step 2: Convert to fraction form
    13,807,939.28/20,712,739.31 = 4,223,400.85/x
  3. Step 3: Cross multiply
    13,807,939.28x = 20,712,739.31 × 4,223,400.85
  4. Step 4: Simplify right side
    13,807,939.28x = 87,478,200,683,001.70
  5. Step 5: Solve for x
    x = 87,478,200,683,001.70/13,807,939.28
  6. Step 6: Final answer
    x = 6,335,355.26

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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.