Home / 8,768,562.80-13,138,847.40-7,340,889.20

Finding the Fourth Proportional to 8,768,562.80, 13,138,847.40 and 7,340,889.20

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Solution

The fourth proportional to 8,768,562.80, 13,138,847.40 and 7,340,889.20 is: 10,999,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,562.80 : 13,138,847.40 = 7,340,889.20 : x
  2. Step 2: Convert to fraction form
    8,768,562.80/13,138,847.40 = 7,340,889.20/x
  3. Step 3: Cross multiply
    8,768,562.80x = 13,138,847.40 × 7,340,889.20
  4. Step 4: Simplify right side
    8,768,562.80x = 96,450,822,979,108.08
  5. Step 5: Solve for x
    x = 96,450,822,979,108.08/8,768,562.80
  6. Step 6: Final answer
    x = 10,999,615.92

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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.