Home / 28,557,197.09-42,860,255.40-28,342,243.73

Finding the Fourth Proportional to 28,557,197.09, 42,860,255.40 and 28,342,243.73

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Solution

The fourth proportional to 28,557,197.09, 42,860,255.40 and 28,342,243.73 is: 42,537,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557,197.09 : 42,860,255.40 = 28,342,243.73 : x
  2. Step 2: Convert to fraction form
    28,557,197.09/42,860,255.40 = 28,342,243.73/x
  3. Step 3: Cross multiply
    28,557,197.09x = 42,860,255.40 × 28,342,243.73
  4. Step 4: Simplify right side
    28,557,197.09x = 1,214,755,804,876,848.50
  5. Step 5: Solve for x
    x = 1,214,755,804,876,848.50/28,557,197.09
  6. Step 6: Final answer
    x = 42,537,641.25

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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.