Home / 12,129,260.60-18,193,890.90-4,042,500.05

Finding the Fourth Proportional to 12,129,260.60, 18,193,890.90 and 4,042,500.05

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Solution

The fourth proportional to 12,129,260.60, 18,193,890.90 and 4,042,500.05 is: 6,063,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,260.60 : 18,193,890.90 = 4,042,500.05 : x
  2. Step 2: Convert to fraction form
    12,129,260.60/18,193,890.90 = 4,042,500.05/x
  3. Step 3: Cross multiply
    12,129,260.60x = 18,193,890.90 × 4,042,500.05
  4. Step 4: Simplify right side
    12,129,260.60x = 73,548,804,872,944.53
  5. Step 5: Solve for x
    x = 73,548,804,872,944.53/12,129,260.60
  6. Step 6: Final answer
    x = 6,063,750.08

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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.