Home / 40,295,518.76-60,461,085.18-21,121,691.24

Finding the Fourth Proportional to 40,295,518.76, 60,461,085.18 and 21,121,691.24

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Solution

The fourth proportional to 40,295,518.76, 60,461,085.18 and 21,121,691.24 is: 31,691,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295,518.76 : 60,461,085.18 = 21,121,691.24 : x
  2. Step 2: Convert to fraction form
    40,295,518.76/60,461,085.18 = 21,121,691.24/x
  3. Step 3: Cross multiply
    40,295,518.76x = 60,461,085.18 × 21,121,691.24
  4. Step 4: Simplify right side
    40,295,518.76x = 1,277,040,373,207,299.75
  5. Step 5: Solve for x
    x = 1,277,040,373,207,299.75/40,295,518.76
  6. Step 6: Final answer
    x = 31,691,870.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.