Home / 8,777,917.98-12,113,039.55-4,909,691.80

Finding the Fourth Proportional to 8,777,917.98, 12,113,039.55 and 4,909,691.80

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Solution

The fourth proportional to 8,777,917.98, 12,113,039.55 and 4,909,691.80 is: 6,775,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777,917.98 : 12,113,039.55 = 4,909,691.80 : x
  2. Step 2: Convert to fraction form
    8,777,917.98/12,113,039.55 = 4,909,691.80/x
  3. Step 3: Cross multiply
    8,777,917.98x = 12,113,039.55 × 4,909,691.80
  4. Step 4: Simplify right side
    8,777,917.98x = 59,471,290,951,710.69
  5. Step 5: Solve for x
    x = 59,471,290,951,710.69/8,777,917.98
  6. Step 6: Final answer
    x = 6,775,102.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.