Home / 13,480,934.90-20,221,402.35-8,945,971.70

Finding the Fourth Proportional to 13,480,934.90, 20,221,402.35 and 8,945,971.70

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Solution

The fourth proportional to 13,480,934.90, 20,221,402.35 and 8,945,971.70 is: 13,418,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,934.90 : 20,221,402.35 = 8,945,971.70 : x
  2. Step 2: Convert to fraction form
    13,480,934.90/20,221,402.35 = 8,945,971.70/x
  3. Step 3: Cross multiply
    13,480,934.90x = 20,221,402.35 × 8,945,971.70
  4. Step 4: Simplify right side
    13,480,934.90x = 180,900,093,157,413.50
  5. Step 5: Solve for x
    x = 180,900,093,157,413.50/13,480,934.90
  6. Step 6: Final answer
    x = 13,418,957.55

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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.