Home / 18,444,138.30-27,666,207.45-12,074,039.10

Finding the Fourth Proportional to 18,444,138.30, 27,666,207.45 and 12,074,039.10

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Solution

The fourth proportional to 18,444,138.30, 27,666,207.45 and 12,074,039.10 is: 18,111,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,138.30 : 27,666,207.45 = 12,074,039.10 : x
  2. Step 2: Convert to fraction form
    18,444,138.30/27,666,207.45 = 12,074,039.10/x
  3. Step 3: Cross multiply
    18,444,138.30x = 27,666,207.45 × 12,074,039.10
  4. Step 4: Simplify right side
    18,444,138.30x = 334,042,870,500,011.25
  5. Step 5: Solve for x
    x = 334,042,870,500,011.25/18,444,138.30
  6. Step 6: Final answer
    x = 18,111,058.65

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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.