Home / 13,642,456.40-20,463,684.60-6,468,002.90

Finding the Fourth Proportional to 13,642,456.40, 20,463,684.60 and 6,468,002.90

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Solution

The fourth proportional to 13,642,456.40, 20,463,684.60 and 6,468,002.90 is: 9,702,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,456.40 : 20,463,684.60 = 6,468,002.90 : x
  2. Step 2: Convert to fraction form
    13,642,456.40/20,463,684.60 = 6,468,002.90/x
  3. Step 3: Cross multiply
    13,642,456.40x = 20,463,684.60 × 6,468,002.90
  4. Step 4: Simplify right side
    13,642,456.40x = 132,359,171,337,485.36
  5. Step 5: Solve for x
    x = 132,359,171,337,485.36/13,642,456.40
  6. Step 6: Final answer
    x = 9,702,004.35

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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.