Home / 29,469,959.89-40,373,989.07-28,365,433.76

Finding the Fourth Proportional to 29,469,959.89, 40,373,989.07 and 28,365,433.76

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Solution

The fourth proportional to 29,469,959.89, 40,373,989.07 and 28,365,433.76 is: 38,860,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469,959.89 : 40,373,989.07 = 28,365,433.76 : x
  2. Step 2: Convert to fraction form
    29,469,959.89/40,373,989.07 = 28,365,433.76/x
  3. Step 3: Cross multiply
    29,469,959.89x = 40,373,989.07 × 28,365,433.76
  4. Step 4: Simplify right side
    29,469,959.89x = 1,145,225,712,551,156.75
  5. Step 5: Solve for x
    x = 1,145,225,712,551,156.75/29,469,959.89
  6. Step 6: Final answer
    x = 38,860,782.88

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1.5x scale

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.