Home / 20,534,707.74-28,337,904.90-11,242,879.96

Finding the Fourth Proportional to 20,534,707.74, 28,337,904.90 and 11,242,879.96

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Solution

The fourth proportional to 20,534,707.74, 28,337,904.90 and 11,242,879.96 is: 15,515,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,707.74 : 28,337,904.90 = 11,242,879.96 : x
  2. Step 2: Convert to fraction form
    20,534,707.74/28,337,904.90 = 11,242,879.96/x
  3. Step 3: Cross multiply
    20,534,707.74x = 28,337,904.90 × 11,242,879.96
  4. Step 4: Simplify right side
    20,534,707.74x = 318,599,663,108,595.81
  5. Step 5: Solve for x
    x = 318,599,663,108,595.81/20,534,707.74
  6. Step 6: Final answer
    x = 15,515,178.84

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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.