Home / 28,354,156.28-42,529,177.12-11,079,108.92

Finding the Fourth Proportional to 28,354,156.28, 42,529,177.12 and 11,079,108.92

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Solution

The fourth proportional to 28,354,156.28, 42,529,177.12 and 11,079,108.92 is: 16,617,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354,156.28 : 42,529,177.12 = 11,079,108.92 : x
  2. Step 2: Convert to fraction form
    28,354,156.28/42,529,177.12 = 11,079,108.92/x
  3. Step 3: Cross multiply
    28,354,156.28x = 42,529,177.12 × 11,079,108.92
  4. Step 4: Simplify right side
    28,354,156.28x = 471,185,385,590,451.88
  5. Step 5: Solve for x
    x = 471,185,385,590,451.88/28,354,156.28
  6. Step 6: Final answer
    x = 16,617,859.51

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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.