Home / 8,815,461.93-13,188,980.86-7,727,793.19

Finding the Fourth Proportional to 8,815,461.93, 13,188,980.86 and 7,727,793.19

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Solution

The fourth proportional to 8,815,461.93, 13,188,980.86 and 7,727,793.19 is: 11,561,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,461.93 : 13,188,980.86 = 7,727,793.19 : x
  2. Step 2: Convert to fraction form
    8,815,461.93/13,188,980.86 = 7,727,793.19/x
  3. Step 3: Cross multiply
    8,815,461.93x = 13,188,980.86 × 7,727,793.19
  4. Step 4: Simplify right side
    8,815,461.93x = 101,921,716,420,656.41
  5. Step 5: Solve for x
    x = 101,921,716,420,656.41/8,815,461.93
  6. Step 6: Final answer
    x = 11,561,698.89

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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.