Home / 13,236,429.90-19,854,644.85-4,260,981.90

Finding the Fourth Proportional to 13,236,429.90, 19,854,644.85 and 4,260,981.90

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Solution

The fourth proportional to 13,236,429.90, 19,854,644.85 and 4,260,981.90 is: 6,391,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,429.90 : 19,854,644.85 = 4,260,981.90 : x
  2. Step 2: Convert to fraction form
    13,236,429.90/19,854,644.85 = 4,260,981.90/x
  3. Step 3: Cross multiply
    13,236,429.90x = 19,854,644.85 × 4,260,981.90
  4. Step 4: Simplify right side
    13,236,429.90x = 84,600,282,336,778.23
  5. Step 5: Solve for x
    x = 84,600,282,336,778.23/13,236,429.90
  6. Step 6: Final answer
    x = 6,391,472.85

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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.