Home / 12,071,010.90-18,106,516.35-7,276,232.10

Finding the Fourth Proportional to 12,071,010.90, 18,106,516.35 and 7,276,232.10

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Solution

The fourth proportional to 12,071,010.90, 18,106,516.35 and 7,276,232.10 is: 10,914,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,010.90 : 18,106,516.35 = 7,276,232.10 : x
  2. Step 2: Convert to fraction form
    12,071,010.90/18,106,516.35 = 7,276,232.10/x
  3. Step 3: Cross multiply
    12,071,010.90x = 18,106,516.35 × 7,276,232.10
  4. Step 4: Simplify right side
    12,071,010.90x = 131,747,215,485,044.84
  5. Step 5: Solve for x
    x = 131,747,215,485,044.84/12,071,010.90
  6. Step 6: Final answer
    x = 10,914,348.15

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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.