Home / 13,902,689.28-20,857,297.92-4,317,573.12

Finding the Fourth Proportional to 13,902,689.28, 20,857,297.92 and 4,317,573.12

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Solution

The fourth proportional to 13,902,689.28, 20,857,297.92 and 4,317,573.12 is: 6,477,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,689.28 : 20,857,297.92 = 4,317,573.12 : x
  2. Step 2: Convert to fraction form
    13,902,689.28/20,857,297.92 = 4,317,573.12/x
  3. Step 3: Cross multiply
    13,902,689.28x = 20,857,297.92 × 4,317,573.12
  4. Step 4: Simplify right side
    13,902,689.28x = 90,052,908,855,223.92
  5. Step 5: Solve for x
    x = 90,052,908,855,223.92/13,902,689.28
  6. Step 6: Final answer
    x = 6,477,373.34

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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.