Home / 8,805,861.60-13,196,350.80-5,430,040.80

Finding the Fourth Proportional to 8,805,861.60, 13,196,350.80 and 5,430,040.80

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Solution

The fourth proportional to 8,805,861.60, 13,196,350.80 and 5,430,040.80 is: 8,137,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,861.60 : 13,196,350.80 = 5,430,040.80 : x
  2. Step 2: Convert to fraction form
    8,805,861.60/13,196,350.80 = 5,430,040.80/x
  3. Step 3: Cross multiply
    8,805,861.60x = 13,196,350.80 × 5,430,040.80
  4. Step 4: Simplify right side
    8,805,861.60x = 71,656,723,255,112.64
  5. Step 5: Solve for x
    x = 71,656,723,255,112.64/8,805,861.60
  6. Step 6: Final answer
    x = 8,137,389.22

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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.