Home / 29,469,931.15-40,373,949.73-28,365,405.12

Finding the Fourth Proportional to 29,469,931.15, 40,373,949.73 and 28,365,405.12

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Solution

The fourth proportional to 29,469,931.15, 40,373,949.73 and 28,365,405.12 is: 38,860,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469,931.15 : 40,373,949.73 = 28,365,405.12 : x
  2. Step 2: Convert to fraction form
    29,469,931.15/40,373,949.73 = 28,365,405.12/x
  3. Step 3: Cross multiply
    29,469,931.15x = 40,373,949.73 × 28,365,405.12
  4. Step 4: Simplify right side
    29,469,931.15x = 1,145,223,440,572,823.75
  5. Step 5: Solve for x
    x = 1,145,223,440,572,823.75/29,469,931.15
  6. Step 6: Final answer
    x = 38,860,743.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.