Home / 20,946,593.88-31,419,574.65-9,423,924.20

Finding the Fourth Proportional to 20,946,593.88, 31,419,574.65 and 9,423,924.20

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Solution

The fourth proportional to 20,946,593.88, 31,419,574.65 and 9,423,924.20 is: 14,135,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,593.88 : 31,419,574.65 = 9,423,924.20 : x
  2. Step 2: Convert to fraction form
    20,946,593.88/31,419,574.65 = 9,423,924.20/x
  3. Step 3: Cross multiply
    20,946,593.88x = 31,419,574.65 × 9,423,924.20
  4. Step 4: Simplify right side
    20,946,593.88x = 296,095,689,976,390.50
  5. Step 5: Solve for x
    x = 296,095,689,976,390.50/20,946,593.88
  6. Step 6: Final answer
    x = 14,135,744.06

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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.