Home / 7,130,906.20-9,844,463.28-5,578,868.88

Finding the Fourth Proportional to 7,130,906.20, 9,844,463.28 and 5,578,868.88

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Solution

The fourth proportional to 7,130,906.20, 9,844,463.28 and 5,578,868.88 is: 7,701,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,906.20 : 9,844,463.28 = 5,578,868.88 : x
  2. Step 2: Convert to fraction form
    7,130,906.20/9,844,463.28 = 5,578,868.88/x
  3. Step 3: Cross multiply
    7,130,906.20x = 9,844,463.28 × 5,578,868.88
  4. Step 4: Simplify right side
    7,130,906.20x = 54,920,969,833,094.72
  5. Step 5: Solve for x
    x = 54,920,969,833,094.72/7,130,906.20
  6. Step 6: Final answer
    x = 7,701,821.94

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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.