Home / 12,547,034.20-18,821,450.88-5,253,154.12

Finding the Fourth Proportional to 12,547,034.20, 18,821,450.88 and 5,253,154.12

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Solution

The fourth proportional to 12,547,034.20, 18,821,450.88 and 5,253,154.12 is: 7,880,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,034.20 : 18,821,450.88 = 5,253,154.12 : x
  2. Step 2: Convert to fraction form
    12,547,034.20/18,821,450.88 = 5,253,154.12/x
  3. Step 3: Cross multiply
    12,547,034.20x = 18,821,450.88 × 5,253,154.12
  4. Step 4: Simplify right side
    12,547,034.20x = 98,871,982,234,649.62
  5. Step 5: Solve for x
    x = 98,871,982,234,649.62/12,547,034.20
  6. Step 6: Final answer
    x = 7,880,107.81

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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.