Home / 20,337,237.27-28,058,559.23-11,515,483.13

Finding the Fourth Proportional to 20,337,237.27, 28,058,559.23 and 11,515,483.13

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Solution

The fourth proportional to 20,337,237.27, 28,058,559.23 and 11,515,483.13 is: 15,887,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,237.27 : 28,058,559.23 = 11,515,483.13 : x
  2. Step 2: Convert to fraction form
    20,337,237.27/28,058,559.23 = 11,515,483.13/x
  3. Step 3: Cross multiply
    20,337,237.27x = 28,058,559.23 × 11,515,483.13
  4. Step 4: Simplify right side
    20,337,237.27x = 323,107,865,353,666.75
  5. Step 5: Solve for x
    x = 323,107,865,353,666.75/20,337,237.27
  6. Step 6: Final answer
    x = 15,887,500.40

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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.