Home / 11,115,680.80-16,673,521.20-9,226,112.80

Finding the Fourth Proportional to 11,115,680.80, 16,673,521.20 and 9,226,112.80

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Solution

The fourth proportional to 11,115,680.80, 16,673,521.20 and 9,226,112.80 is: 13,839,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115,680.80 : 16,673,521.20 = 9,226,112.80 : x
  2. Step 2: Convert to fraction form
    11,115,680.80/16,673,521.20 = 9,226,112.80/x
  3. Step 3: Cross multiply
    11,115,680.80x = 16,673,521.20 × 9,226,112.80
  4. Step 4: Simplify right side
    11,115,680.80x = 153,831,787,364,391.38
  5. Step 5: Solve for x
    x = 153,831,787,364,391.38/11,115,680.80
  6. Step 6: Final answer
    x = 13,839,169.20

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Double scale
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Similar ratio
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1.5x scale

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.