Home / 12,353,976.20-18,491,642.70-8,815,032.20

Finding the Fourth Proportional to 12,353,976.20, 18,491,642.70 and 8,815,032.20

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Solution

The fourth proportional to 12,353,976.20, 18,491,642.70 and 8,815,032.20 is: 13,194,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353,976.20 : 18,491,642.70 = 8,815,032.20 : x
  2. Step 2: Convert to fraction form
    12,353,976.20/18,491,642.70 = 8,815,032.20/x
  3. Step 3: Cross multiply
    12,353,976.20x = 18,491,642.70 × 8,815,032.20
  4. Step 4: Simplify right side
    12,353,976.20x = 163,004,425,831,394.91
  5. Step 5: Solve for x
    x = 163,004,425,831,394.91/12,353,976.20
  6. Step 6: Final answer
    x = 13,194,490.84

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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.