Home / 28,937,742.44-39,933,926.88-15,885,223.43

Finding the Fourth Proportional to 28,937,742.44, 39,933,926.88 and 15,885,223.43

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Solution

The fourth proportional to 28,937,742.44, 39,933,926.88 and 15,885,223.43 is: 21,921,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,742.44 : 39,933,926.88 = 15,885,223.43 : x
  2. Step 2: Convert to fraction form
    28,937,742.44/39,933,926.88 = 15,885,223.43/x
  3. Step 3: Cross multiply
    28,937,742.44x = 39,933,926.88 × 15,885,223.43
  4. Step 4: Simplify right side
    28,937,742.44x = 634,359,350,726,413.25
  5. Step 5: Solve for x
    x = 634,359,350,726,413.25/28,937,742.44
  6. Step 6: Final answer
    x = 21,921,521.77

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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.