Home / 20,694,587.10-31,041,880.65-9,906,334.80

Finding the Fourth Proportional to 20,694,587.10, 31,041,880.65 and 9,906,334.80

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Solution

The fourth proportional to 20,694,587.10, 31,041,880.65 and 9,906,334.80 is: 14,859,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,587.10 : 31,041,880.65 = 9,906,334.80 : x
  2. Step 2: Convert to fraction form
    20,694,587.10/31,041,880.65 = 9,906,334.80/x
  3. Step 3: Cross multiply
    20,694,587.10x = 31,041,880.65 × 9,906,334.80
  4. Step 4: Simplify right side
    20,694,587.10x = 307,511,262,540,541.62
  5. Step 5: Solve for x
    x = 307,511,262,540,541.62/20,694,587.10
  6. Step 6: Final answer
    x = 14,859,502.20

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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.