Home / 8,701,309.80-13,051,964.70-7,413,604.20

Finding the Fourth Proportional to 8,701,309.80, 13,051,964.70 and 7,413,604.20

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Solution

The fourth proportional to 8,701,309.80, 13,051,964.70 and 7,413,604.20 is: 11,120,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,309.80 : 13,051,964.70 = 7,413,604.20 : x
  2. Step 2: Convert to fraction form
    8,701,309.80/13,051,964.70 = 7,413,604.20/x
  3. Step 3: Cross multiply
    8,701,309.80x = 13,051,964.70 × 7,413,604.20
  4. Step 4: Simplify right side
    8,701,309.80x = 96,762,100,318,171.73
  5. Step 5: Solve for x
    x = 96,762,100,318,171.73/8,701,309.80
  6. Step 6: Final answer
    x = 11,120,406.30

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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.