Home / 13,643,477.40-20,465,216.10-6,469,023.90

Finding the Fourth Proportional to 13,643,477.40, 20,465,216.10 and 6,469,023.90

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Solution

The fourth proportional to 13,643,477.40, 20,465,216.10 and 6,469,023.90 is: 9,703,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,477.40 : 20,465,216.10 = 6,469,023.90 : x
  2. Step 2: Convert to fraction form
    13,643,477.40/20,465,216.10 = 6,469,023.90/x
  3. Step 3: Cross multiply
    13,643,477.40x = 20,465,216.10 × 6,469,023.90
  4. Step 4: Simplify right side
    13,643,477.40x = 132,389,972,069,564.81
  5. Step 5: Solve for x
    x = 132,389,972,069,564.81/13,643,477.40
  6. Step 6: Final answer
    x = 9,703,535.85

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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.