Home / 10,867,010.10-16,300,515.15-7,678,364.10

Finding the Fourth Proportional to 10,867,010.10, 16,300,515.15 and 7,678,364.10

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Solution

The fourth proportional to 10,867,010.10, 16,300,515.15 and 7,678,364.10 is: 11,517,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,010.10 : 16,300,515.15 = 7,678,364.10 : x
  2. Step 2: Convert to fraction form
    10,867,010.10/16,300,515.15 = 7,678,364.10/x
  3. Step 3: Cross multiply
    10,867,010.10x = 16,300,515.15 × 7,678,364.10
  4. Step 4: Simplify right side
    10,867,010.10x = 125,161,290,339,266.11
  5. Step 5: Solve for x
    x = 125,161,290,339,266.11/10,867,010.10
  6. Step 6: Final answer
    x = 11,517,546.15

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Double scale
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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.