Home / 12,457,560.71-18,686,341.07-11,040,384.71

Finding the Fourth Proportional to 12,457,560.71, 18,686,341.07 and 11,040,384.71

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Solution

The fourth proportional to 12,457,560.71, 18,686,341.07 and 11,040,384.71 is: 16,560,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,560.71 : 18,686,341.07 = 11,040,384.71 : x
  2. Step 2: Convert to fraction form
    12,457,560.71/18,686,341.07 = 11,040,384.71/x
  3. Step 3: Cross multiply
    12,457,560.71x = 18,686,341.07 × 11,040,384.71
  4. Step 4: Simplify right side
    12,457,560.71x = 206,304,394,267,988.44
  5. Step 5: Solve for x
    x = 206,304,394,267,988.44/12,457,560.71
  6. Step 6: Final answer
    x = 16,560,577.07

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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.