Home / 8,761,810.60-13,142,715.90-3,081,296.80

Finding the Fourth Proportional to 8,761,810.60, 13,142,715.90 and 3,081,296.80

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Solution

The fourth proportional to 8,761,810.60, 13,142,715.90 and 3,081,296.80 is: 4,621,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,810.60 : 13,142,715.90 = 3,081,296.80 : x
  2. Step 2: Convert to fraction form
    8,761,810.60/13,142,715.90 = 3,081,296.80/x
  3. Step 3: Cross multiply
    8,761,810.60x = 13,142,715.90 × 3,081,296.80
  4. Step 4: Simplify right side
    8,761,810.60x = 40,496,608,445,979.12
  5. Step 5: Solve for x
    x = 40,496,608,445,979.12/8,761,810.60
  6. Step 6: Final answer
    x = 4,621,945.20

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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.