Home / 7,102,862.40-10,642,046.40-3,308,563.20

Finding the Fourth Proportional to 7,102,862.40, 10,642,046.40 and 3,308,563.20

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Solution

The fourth proportional to 7,102,862.40, 10,642,046.40 and 3,308,563.20 is: 4,957,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,862.40 : 10,642,046.40 = 3,308,563.20 : x
  2. Step 2: Convert to fraction form
    7,102,862.40/10,642,046.40 = 3,308,563.20/x
  3. Step 3: Cross multiply
    7,102,862.40x = 10,642,046.40 × 3,308,563.20
  4. Step 4: Simplify right side
    7,102,862.40x = 35,209,883,091,732.48
  5. Step 5: Solve for x
    x = 35,209,883,091,732.48/7,102,862.40
  6. Step 6: Final answer
    x = 4,957,139.97

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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.