Home / 8,778,091.68-12,113,784.24-4,910,677.44

Finding the Fourth Proportional to 8,778,091.68, 12,113,784.24 and 4,910,677.44

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Solution

The fourth proportional to 8,778,091.68, 12,113,784.24 and 4,910,677.44 is: 6,776,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,091.68 : 12,113,784.24 = 4,910,677.44 : x
  2. Step 2: Convert to fraction form
    8,778,091.68/12,113,784.24 = 4,910,677.44/x
  3. Step 3: Cross multiply
    8,778,091.68x = 12,113,784.24 × 4,910,677.44
  4. Step 4: Simplify right side
    8,778,091.68x = 59,486,886,980,395.55
  5. Step 5: Solve for x
    x = 59,486,886,980,395.55/8,778,091.68
  6. Step 6: Final answer
    x = 6,776,744.78

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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.