Home / 18,140,870.16-25,034,974.20-9,881,180.64

Finding the Fourth Proportional to 18,140,870.16, 25,034,974.20 and 9,881,180.64

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Solution

The fourth proportional to 18,140,870.16, 25,034,974.20 and 9,881,180.64 is: 13,636,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,870.16 : 25,034,974.20 = 9,881,180.64 : x
  2. Step 2: Convert to fraction form
    18,140,870.16/25,034,974.20 = 9,881,180.64/x
  3. Step 3: Cross multiply
    18,140,870.16x = 25,034,974.20 × 9,881,180.64
  4. Step 4: Simplify right side
    18,140,870.16x = 247,375,102,387,939.50
  5. Step 5: Solve for x
    x = 247,375,102,387,939.50/18,140,870.16
  6. Step 6: Final answer
    x = 13,636,341.60

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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.