Home / 12,353,974.20-18,491,639.70-8,815,030.20

Finding the Fourth Proportional to 12,353,974.20, 18,491,639.70 and 8,815,030.20

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Solution

The fourth proportional to 12,353,974.20, 18,491,639.70 and 8,815,030.20 is: 13,194,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353,974.20 : 18,491,639.70 = 8,815,030.20 : x
  2. Step 2: Convert to fraction form
    12,353,974.20/18,491,639.70 = 8,815,030.20/x
  3. Step 3: Cross multiply
    12,353,974.20x = 18,491,639.70 × 8,815,030.20
  4. Step 4: Simplify right side
    12,353,974.20x = 163,004,362,403,018.91
  5. Step 5: Solve for x
    x = 163,004,362,403,018.91/12,353,974.20
  6. Step 6: Final answer
    x = 13,194,487.84

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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.