Home / 12,258,003.90-18,387,005.85-8,006,475.90

Finding the Fourth Proportional to 12,258,003.90, 18,387,005.85 and 8,006,475.90

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Solution

The fourth proportional to 12,258,003.90, 18,387,005.85 and 8,006,475.90 is: 12,009,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,003.90 : 18,387,005.85 = 8,006,475.90 : x
  2. Step 2: Convert to fraction form
    12,258,003.90/18,387,005.85 = 8,006,475.90/x
  3. Step 3: Cross multiply
    12,258,003.90x = 18,387,005.85 × 8,006,475.90
  4. Step 4: Simplify right side
    12,258,003.90x = 147,215,119,211,184.03
  5. Step 5: Solve for x
    x = 147,215,119,211,184.03/12,258,003.90
  6. Step 6: Final answer
    x = 12,009,713.85

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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.