Home / 20,537,004.96-28,339,989.28-11,242,793.28

Finding the Fourth Proportional to 20,537,004.96, 28,339,989.28 and 11,242,793.28

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Solution

The fourth proportional to 20,537,004.96, 28,339,989.28 and 11,242,793.28 is: 15,514,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537,004.96 : 28,339,989.28 = 11,242,793.28 : x
  2. Step 2: Convert to fraction form
    20,537,004.96/28,339,989.28 = 11,242,793.28/x
  3. Step 3: Cross multiply
    20,537,004.96x = 28,339,989.28 × 11,242,793.28
  4. Step 4: Simplify right side
    20,537,004.96x = 318,620,641,032,456.06
  5. Step 5: Solve for x
    x = 318,620,641,032,456.06/20,537,004.96
  6. Step 6: Final answer
    x = 15,514,464.82

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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.