Home / 28,000,557.20-38,649,309.28-16,242,796.84

Finding the Fourth Proportional to 28,000,557.20, 38,649,309.28 and 16,242,796.84

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Solution

The fourth proportional to 28,000,557.20, 38,649,309.28 and 16,242,796.84 is: 22,420,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000,557.20 : 38,649,309.28 = 16,242,796.84 : x
  2. Step 2: Convert to fraction form
    28,000,557.20/38,649,309.28 = 16,242,796.84/x
  3. Step 3: Cross multiply
    28,000,557.20x = 38,649,309.28 × 16,242,796.84
  4. Step 4: Simplify right side
    28,000,557.20x = 627,772,878,641,366.75
  5. Step 5: Solve for x
    x = 627,772,878,641,366.75/28,000,557.20
  6. Step 6: Final answer
    x = 22,420,013.79

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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.