Home / 12,121,590.40-18,180,052.80-3,602,204.80

Finding the Fourth Proportional to 12,121,590.40, 18,180,052.80 and 3,602,204.80

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Solution

The fourth proportional to 12,121,590.40, 18,180,052.80 and 3,602,204.80 is: 5,402,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,590.40 : 18,180,052.80 = 3,602,204.80 : x
  2. Step 2: Convert to fraction form
    12,121,590.40/18,180,052.80 = 3,602,204.80/x
  3. Step 3: Cross multiply
    12,121,590.40x = 18,180,052.80 × 3,602,204.80
  4. Step 4: Simplify right side
    12,121,590.40x = 65,488,273,460,413.44
  5. Step 5: Solve for x
    x = 65,488,273,460,413.44/12,121,590.40
  6. Step 6: Final answer
    x = 5,402,613.96

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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.