Home / 20,458,898.04-28,233,140.22-11,291,540.52

Finding the Fourth Proportional to 20,458,898.04, 28,233,140.22 and 11,291,540.52

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Solution

The fourth proportional to 20,458,898.04, 28,233,140.22 and 11,291,540.52 is: 15,582,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,898.04 : 28,233,140.22 = 11,291,540.52 : x
  2. Step 2: Convert to fraction form
    20,458,898.04/28,233,140.22 = 11,291,540.52/x
  3. Step 3: Cross multiply
    20,458,898.04x = 28,233,140.22 × 11,291,540.52
  4. Step 4: Simplify right side
    20,458,898.04x = 318,795,646,800,971.69
  5. Step 5: Solve for x
    x = 318,795,646,800,971.69/20,458,898.04
  6. Step 6: Final answer
    x = 15,582,249.16

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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.