Home / 28,877,559.85-43,287,175.68-18,102,413.15

Finding the Fourth Proportional to 28,877,559.85, 43,287,175.68 and 18,102,413.15

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Solution

The fourth proportional to 28,877,559.85, 43,287,175.68 and 18,102,413.15 is: 27,135,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,559.85 : 43,287,175.68 = 18,102,413.15 : x
  2. Step 2: Convert to fraction form
    28,877,559.85/43,287,175.68 = 18,102,413.15/x
  3. Step 3: Cross multiply
    28,877,559.85x = 43,287,175.68 × 18,102,413.15
  4. Step 4: Simplify right side
    28,877,559.85x = 783,602,338,133,999.25
  5. Step 5: Solve for x
    x = 783,602,338,133,999.25/28,877,559.85
  6. Step 6: Final answer
    x = 27,135,337.69

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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.