Home / 13,206,540.30-19,798,290.45-5,125,029.90

Finding the Fourth Proportional to 13,206,540.30, 19,798,290.45 and 5,125,029.90

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Solution

The fourth proportional to 13,206,540.30, 19,798,290.45 and 5,125,029.90 is: 7,683,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,540.30 : 19,798,290.45 = 5,125,029.90 : x
  2. Step 2: Convert to fraction form
    13,206,540.30/19,798,290.45 = 5,125,029.90/x
  3. Step 3: Cross multiply
    13,206,540.30x = 19,798,290.45 × 5,125,029.90
  4. Step 4: Simplify right side
    13,206,540.30x = 101,466,830,525,134.45
  5. Step 5: Solve for x
    x = 101,466,830,525,134.45/13,206,540.30
  6. Step 6: Final answer
    x = 7,683,074.31

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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.