Home / 6,787,746.40-10,181,619.60-6,526,472.80

Finding the Fourth Proportional to 6,787,746.40, 10,181,619.60 and 6,526,472.80

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Solution

The fourth proportional to 6,787,746.40, 10,181,619.60 and 6,526,472.80 is: 9,789,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,746.40 : 10,181,619.60 = 6,526,472.80 : x
  2. Step 2: Convert to fraction form
    6,787,746.40/10,181,619.60 = 6,526,472.80/x
  3. Step 3: Cross multiply
    6,787,746.40x = 10,181,619.60 × 6,526,472.80
  4. Step 4: Simplify right side
    6,787,746.40x = 66,450,063,379,346.88
  5. Step 5: Solve for x
    x = 66,450,063,379,346.88/6,787,746.40
  6. Step 6: Final answer
    x = 9,789,709.20

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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.