Home / 8,778,917.61-12,115,376.92-4,911,208.11

Finding the Fourth Proportional to 8,778,917.61, 12,115,376.92 and 4,911,208.11

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Solution

The fourth proportional to 8,778,917.61, 12,115,376.92 and 4,911,208.11 is: 6,777,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,917.61 : 12,115,376.92 = 4,911,208.11 : x
  2. Step 2: Convert to fraction form
    8,778,917.61/12,115,376.92 = 4,911,208.11/x
  3. Step 3: Cross multiply
    8,778,917.61x = 12,115,376.92 × 4,911,208.11
  4. Step 4: Simplify right side
    8,778,917.61x = 59,501,137,324,633.95
  5. Step 5: Solve for x
    x = 59,501,137,324,633.95/8,778,917.61
  6. Step 6: Final answer
    x = 6,777,730.47

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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.