Home / 12,110,143.60-18,165,215.40-3,134,695.60

Finding the Fourth Proportional to 12,110,143.60, 18,165,215.40 and 3,134,695.60

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Solution

The fourth proportional to 12,110,143.60, 18,165,215.40 and 3,134,695.60 is: 4,702,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,143.60 : 18,165,215.40 = 3,134,695.60 : x
  2. Step 2: Convert to fraction form
    12,110,143.60/18,165,215.40 = 3,134,695.60/x
  3. Step 3: Cross multiply
    12,110,143.60x = 18,165,215.40 × 3,134,695.60
  4. Step 4: Simplify right side
    12,110,143.60x = 56,942,420,787,432.23
  5. Step 5: Solve for x
    x = 56,942,420,787,432.23/12,110,143.60
  6. Step 6: Final answer
    x = 4,702,043.40

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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.