Home / 20,331,744.66-28,057,680.99-11,630,062.35

Finding the Fourth Proportional to 20,331,744.66, 28,057,680.99 and 11,630,062.35

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Solution

The fourth proportional to 20,331,744.66, 28,057,680.99 and 11,630,062.35 is: 16,049,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,744.66 : 28,057,680.99 = 11,630,062.35 : x
  2. Step 2: Convert to fraction form
    20,331,744.66/28,057,680.99 = 11,630,062.35/x
  3. Step 3: Cross multiply
    20,331,744.66x = 28,057,680.99 × 11,630,062.35
  4. Step 4: Simplify right side
    20,331,744.66x = 326,312,579,310,109.69
  5. Step 5: Solve for x
    x = 326,312,579,310,109.69/20,331,744.66
  6. Step 6: Final answer
    x = 16,049,413.60

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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.