Home / 12,353,971.20-18,491,635.20-8,815,027.20

Finding the Fourth Proportional to 12,353,971.20, 18,491,635.20 and 8,815,027.20

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Solution

The fourth proportional to 12,353,971.20, 18,491,635.20 and 8,815,027.20 is: 13,194,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353,971.20 : 18,491,635.20 = 8,815,027.20 : x
  2. Step 2: Convert to fraction form
    12,353,971.20/18,491,635.20 = 8,815,027.20/x
  3. Step 3: Cross multiply
    12,353,971.20x = 18,491,635.20 × 8,815,027.20
  4. Step 4: Simplify right side
    12,353,971.20x = 163,004,267,260,477.41
  5. Step 5: Solve for x
    x = 163,004,267,260,477.41/12,353,971.20
  6. Step 6: Final answer
    x = 13,194,483.35

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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.