Home / 8,873,990.66-13,275,962.98-6,721,217.22

Finding the Fourth Proportional to 8,873,990.66, 13,275,962.98 and 6,721,217.22

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Solution

The fourth proportional to 8,873,990.66, 13,275,962.98 and 6,721,217.22 is: 10,055,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873,990.66 : 13,275,962.98 = 6,721,217.22 : x
  2. Step 2: Convert to fraction form
    8,873,990.66/13,275,962.98 = 6,721,217.22/x
  3. Step 3: Cross multiply
    8,873,990.66x = 13,275,962.98 × 6,721,217.22
  4. Step 4: Simplify right side
    8,873,990.66x = 89,230,630,993,258.52
  5. Step 5: Solve for x
    x = 89,230,630,993,258.52/8,873,990.66
  6. Step 6: Final answer
    x = 10,055,299.18

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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.