Home / 28,520,671.52-39,356,057.04-16,758,693.92

Finding the Fourth Proportional to 28,520,671.52, 39,356,057.04 and 16,758,693.92

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Solution

The fourth proportional to 28,520,671.52, 39,356,057.04 and 16,758,693.92 is: 23,125,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,671.52 : 39,356,057.04 = 16,758,693.92 : x
  2. Step 2: Convert to fraction form
    28,520,671.52/39,356,057.04 = 16,758,693.92/x
  3. Step 3: Cross multiply
    28,520,671.52x = 39,356,057.04 × 16,758,693.92
  4. Step 4: Simplify right side
    28,520,671.52x = 659,556,113,831,421.12
  5. Step 5: Solve for x
    x = 659,556,113,831,421.12/28,520,671.52
  6. Step 6: Final answer
    x = 23,125,546.44

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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.