Home / 15,475,743.96-21,354,831-8,948,385.72

Finding the Fourth Proportional to 15,475,743.96, 21,354,831 and 8,948,385.72

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Solution

The fourth proportional to 15,475,743.96, 21,354,831 and 8,948,385.72 is: 12,347,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475,743.96 : 21,354,831 = 8,948,385.72 : x
  2. Step 2: Convert to fraction form
    15,475,743.96/21,354,831 = 8,948,385.72/x
  3. Step 3: Cross multiply
    15,475,743.96x = 21,354,831 × 8,948,385.72
  4. Step 4: Simplify right side
    15,475,743.96x = 191,091,264,773,413.34
  5. Step 5: Solve for x
    x = 191,091,264,773,413.34/15,475,743.96
  6. Step 6: Final answer
    x = 12,347,791.83

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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.