Home / 12,475,408.80-18,711,363.60-3,956,606.40

Finding the Fourth Proportional to 12,475,408.80, 18,711,363.60 and 3,956,606.40

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Solution

The fourth proportional to 12,475,408.80, 18,711,363.60 and 3,956,606.40 is: 5,934,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,408.80 : 18,711,363.60 = 3,956,606.40 : x
  2. Step 2: Convert to fraction form
    12,475,408.80/18,711,363.60 = 3,956,606.40/x
  3. Step 3: Cross multiply
    12,475,408.80x = 18,711,363.60 × 3,956,606.40
  4. Step 4: Simplify right side
    12,475,408.80x = 74,033,500,972,487.05
  5. Step 5: Solve for x
    x = 74,033,500,972,487.05/12,475,408.80
  6. Step 6: Final answer
    x = 5,934,354.71

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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.