Home / 28,522,421.55-39,361,832.74-16,132,272.53

Finding the Fourth Proportional to 28,522,421.55, 39,361,832.74 and 16,132,272.53

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Solution

The fourth proportional to 28,522,421.55, 39,361,832.74 and 16,132,272.53 is: 22,263,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,421.55 : 39,361,832.74 = 16,132,272.53 : x
  2. Step 2: Convert to fraction form
    28,522,421.55/39,361,832.74 = 16,132,272.53/x
  3. Step 3: Cross multiply
    28,522,421.55x = 39,361,832.74 × 16,132,272.53
  4. Step 4: Simplify right side
    28,522,421.55x = 634,995,812,987,922.38
  5. Step 5: Solve for x
    x = 634,995,812,987,922.38/28,522,421.55
  6. Step 6: Final answer
    x = 22,263,040.04

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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.