Home / 20,827,224.24-28,739,379.78-11,534,551.26

Finding the Fourth Proportional to 20,827,224.24, 28,739,379.78 and 11,534,551.26

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Solution

The fourth proportional to 20,827,224.24, 28,739,379.78 and 11,534,551.26 is: 15,916,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827,224.24 : 28,739,379.78 = 11,534,551.26 : x
  2. Step 2: Convert to fraction form
    20,827,224.24/28,739,379.78 = 11,534,551.26/x
  3. Step 3: Cross multiply
    20,827,224.24x = 28,739,379.78 × 11,534,551.26
  4. Step 4: Simplify right side
    20,827,224.24x = 331,495,849,253,017.50
  5. Step 5: Solve for x
    x = 331,495,849,253,017.50/20,827,224.24
  6. Step 6: Final answer
    x = 15,916,468.05

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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.