Home / 15,642,483.38-21,585,874.92-8,673,444.15

Finding the Fourth Proportional to 15,642,483.38, 21,585,874.92 and 8,673,444.15

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Solution

The fourth proportional to 15,642,483.38, 21,585,874.92 and 8,673,444.15 is: 11,968,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,483.38 : 21,585,874.92 = 8,673,444.15 : x
  2. Step 2: Convert to fraction form
    15,642,483.38/21,585,874.92 = 8,673,444.15/x
  3. Step 3: Cross multiply
    15,642,483.38x = 21,585,874.92 × 8,673,444.15
  4. Step 4: Simplify right side
    15,642,483.38x = 187,223,880,504,138.50
  5. Step 5: Solve for x
    x = 187,223,880,504,138.50/15,642,483.38
  6. Step 6: Final answer
    x = 11,968,935.88

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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.