Home / 28,113,383.10-42,170,074.65-16,766,643.90

Finding the Fourth Proportional to 28,113,383.10, 42,170,074.65 and 16,766,643.90

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Solution

The fourth proportional to 28,113,383.10, 42,170,074.65 and 16,766,643.90 is: 25,149,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113,383.10 : 42,170,074.65 = 16,766,643.90 : x
  2. Step 2: Convert to fraction form
    28,113,383.10/42,170,074.65 = 16,766,643.90/x
  3. Step 3: Cross multiply
    28,113,383.10x = 42,170,074.65 × 16,766,643.90
  4. Step 4: Simplify right side
    28,113,383.10x = 707,050,624,892,967.12
  5. Step 5: Solve for x
    x = 707,050,624,892,967.12/28,113,383.10
  6. Step 6: Final answer
    x = 25,149,965.85

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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.