Home / 10,202,962.20-15,321,032.10-7,382,866.20

Finding the Fourth Proportional to 10,202,962.20, 15,321,032.10 and 7,382,866.20

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Solution

The fourth proportional to 10,202,962.20, 15,321,032.10 and 7,382,866.20 is: 11,086,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202,962.20 : 15,321,032.10 = 7,382,866.20 : x
  2. Step 2: Convert to fraction form
    10,202,962.20/15,321,032.10 = 7,382,866.20/x
  3. Step 3: Cross multiply
    10,202,962.20x = 15,321,032.10 × 7,382,866.20
  4. Step 4: Simplify right side
    10,202,962.20x = 113,113,130,040,205.02
  5. Step 5: Solve for x
    x = 113,113,130,040,205.02/10,202,962.20
  6. Step 6: Final answer
    x = 11,086,302.96

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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.