Home / 13,475,145.65-20,212,709.11-3,240,002.05

Finding the Fourth Proportional to 13,475,145.65, 20,212,709.11 and 3,240,002.05

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Solution

The fourth proportional to 13,475,145.65, 20,212,709.11 and 3,240,002.05 is: 4,860,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,145.65 : 20,212,709.11 = 3,240,002.05 : x
  2. Step 2: Convert to fraction form
    13,475,145.65/20,212,709.11 = 3,240,002.05/x
  3. Step 3: Cross multiply
    13,475,145.65x = 20,212,709.11 × 3,240,002.05
  4. Step 4: Simplify right side
    13,475,145.65x = 65,489,218,893,821.90
  5. Step 5: Solve for x
    x = 65,489,218,893,821.90/13,475,145.65
  6. Step 6: Final answer
    x = 4,860,000.82

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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.