Home / 20,307,777.30-28,024,569.36-11,015,324.28

Finding the Fourth Proportional to 20,307,777.30, 28,024,569.36 and 11,015,324.28

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Solution

The fourth proportional to 20,307,777.30, 28,024,569.36 and 11,015,324.28 is: 15,201,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307,777.30 : 28,024,569.36 = 11,015,324.28 : x
  2. Step 2: Convert to fraction form
    20,307,777.30/28,024,569.36 = 11,015,324.28/x
  3. Step 3: Cross multiply
    20,307,777.30x = 28,024,569.36 × 11,015,324.28
  4. Step 4: Simplify right side
    20,307,777.30x = 308,699,719,307,752.06
  5. Step 5: Solve for x
    x = 308,699,719,307,752.06/20,307,777.30
  6. Step 6: Final answer
    x = 15,201,058.92

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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.