Home / 7,245,010.40-10,867,515.60-5,119,246.40

Finding the Fourth Proportional to 7,245,010.40, 10,867,515.60 and 5,119,246.40

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Solution

The fourth proportional to 7,245,010.40, 10,867,515.60 and 5,119,246.40 is: 7,678,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,010.40 : 10,867,515.60 = 5,119,246.40 : x
  2. Step 2: Convert to fraction form
    7,245,010.40/10,867,515.60 = 5,119,246.40/x
  3. Step 3: Cross multiply
    7,245,010.40x = 10,867,515.60 × 5,119,246.40
  4. Step 4: Simplify right side
    7,245,010.40x = 55,633,490,112,243.84
  5. Step 5: Solve for x
    x = 55,633,490,112,243.84/7,245,010.40
  6. Step 6: Final answer
    x = 7,678,869.60

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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.