Home / 10,212,144.18-15,320,487.12-4,455,810.72

Finding the Fourth Proportional to 10,212,144.18, 15,320,487.12 and 4,455,810.72

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Solution

The fourth proportional to 10,212,144.18, 15,320,487.12 and 4,455,810.72 is: 6,684,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,144.18 : 15,320,487.12 = 4,455,810.72 : x
  2. Step 2: Convert to fraction form
    10,212,144.18/15,320,487.12 = 4,455,810.72/x
  3. Step 3: Cross multiply
    10,212,144.18x = 15,320,487.12 × 4,455,810.72
  4. Step 4: Simplify right side
    10,212,144.18x = 68,265,190,744,917.92
  5. Step 5: Solve for x
    x = 68,265,190,744,917.92/10,212,144.18
  6. Step 6: Final answer
    x = 6,684,706.91

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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.