Home / 18,620,410.68-25,695,763.20-10,780,253.28

Finding the Fourth Proportional to 18,620,410.68, 25,695,763.20 and 10,780,253.28

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Solution

The fourth proportional to 18,620,410.68, 25,695,763.20 and 10,780,253.28 is: 14,876,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,410.68 : 25,695,763.20 = 10,780,253.28 : x
  2. Step 2: Convert to fraction form
    18,620,410.68/25,695,763.20 = 10,780,253.28/x
  3. Step 3: Cross multiply
    18,620,410.68x = 25,695,763.20 × 10,780,253.28
  4. Step 4: Simplify right side
    18,620,410.68x = 277,006,835,518,903.28
  5. Step 5: Solve for x
    x = 277,006,835,518,903.28/18,620,410.68
  6. Step 6: Final answer
    x = 14,876,515.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.