Home / 13,891,987.20-20,797,430.40-9,910,675.20

Finding the Fourth Proportional to 13,891,987.20, 20,797,430.40 and 9,910,675.20

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Solution

The fourth proportional to 13,891,987.20, 20,797,430.40 and 9,910,675.20 is: 14,837,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,987.20 : 20,797,430.40 = 9,910,675.20 : x
  2. Step 2: Convert to fraction form
    13,891,987.20/20,797,430.40 = 9,910,675.20/x
  3. Step 3: Cross multiply
    13,891,987.20x = 20,797,430.40 × 9,910,675.20
  4. Step 4: Simplify right side
    13,891,987.20x = 206,116,577,689,006.06
  5. Step 5: Solve for x
    x = 206,116,577,689,006.06/13,891,987.20
  6. Step 6: Final answer
    x = 14,837,083.76

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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.