Home / 12,096,886.80-18,126,667.80-10,491,920.40

Finding the Fourth Proportional to 12,096,886.80, 18,126,667.80 and 10,491,920.40

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Solution

The fourth proportional to 12,096,886.80, 18,126,667.80 and 10,491,920.40 is: 15,721,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,886.80 : 18,126,667.80 = 10,491,920.40 : x
  2. Step 2: Convert to fraction form
    12,096,886.80/18,126,667.80 = 10,491,920.40/x
  3. Step 3: Cross multiply
    12,096,886.80x = 18,126,667.80 × 10,491,920.40
  4. Step 4: Simplify right side
    12,096,886.80x = 190,183,555,674,843.12
  5. Step 5: Solve for x
    x = 190,183,555,674,843.12/12,096,886.80
  6. Step 6: Final answer
    x = 15,721,694.25

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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.