Home / 10,381,146.20-15,567,053.70-3,989,274.20

Finding the Fourth Proportional to 10,381,146.20, 15,567,053.70 and 3,989,274.20

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Solution

The fourth proportional to 10,381,146.20, 15,567,053.70 and 3,989,274.20 is: 5,982,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,146.20 : 15,567,053.70 = 3,989,274.20 : x
  2. Step 2: Convert to fraction form
    10,381,146.20/15,567,053.70 = 3,989,274.20/x
  3. Step 3: Cross multiply
    10,381,146.20x = 15,567,053.70 × 3,989,274.20
  4. Step 4: Simplify right side
    10,381,146.20x = 62,101,245,695,424.54
  5. Step 5: Solve for x
    x = 62,101,245,695,424.54/10,381,146.20
  6. Step 6: Final answer
    x = 5,982,118.40

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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.