Home / 18,388,685.45-25,376,385.83-10,658,211.80

Finding the Fourth Proportional to 18,388,685.45, 25,376,385.83 and 10,658,211.80

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Solution

The fourth proportional to 18,388,685.45, 25,376,385.83 and 10,658,211.80 is: 14,708,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,685.45 : 25,376,385.83 = 10,658,211.80 : x
  2. Step 2: Convert to fraction form
    18,388,685.45/25,376,385.83 = 10,658,211.80/x
  3. Step 3: Cross multiply
    18,388,685.45x = 25,376,385.83 × 10,658,211.80
  4. Step 4: Simplify right side
    18,388,685.45x = 270,466,894,714,485.78
  5. Step 5: Solve for x
    x = 270,466,894,714,485.78/18,388,685.45
  6. Step 6: Final answer
    x = 14,708,332.22

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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.