Home / 20,319,350.24-28,040,776.75-11,026,918.29

Finding the Fourth Proportional to 20,319,350.24, 28,040,776.75 and 11,026,918.29

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Solution

The fourth proportional to 20,319,350.24, 28,040,776.75 and 11,026,918.29 is: 15,217,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319,350.24 : 28,040,776.75 = 11,026,918.29 : x
  2. Step 2: Convert to fraction form
    20,319,350.24/28,040,776.75 = 11,026,918.29/x
  3. Step 3: Cross multiply
    20,319,350.24x = 28,040,776.75 × 11,026,918.29
  4. Step 4: Simplify right side
    20,319,350.24x = 309,203,353,990,298.12
  5. Step 5: Solve for x
    x = 309,203,353,990,298.12/20,319,350.24
  6. Step 6: Final answer
    x = 15,217,187.08

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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.