Home / 9,170,706.48-12,642,236.88-6,408,819.12

Finding the Fourth Proportional to 9,170,706.48, 12,642,236.88 and 6,408,819.12

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Solution

The fourth proportional to 9,170,706.48, 12,642,236.88 and 6,408,819.12 is: 8,834,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,706.48 : 12,642,236.88 = 6,408,819.12 : x
  2. Step 2: Convert to fraction form
    9,170,706.48/12,642,236.88 = 6,408,819.12/x
  3. Step 3: Cross multiply
    9,170,706.48x = 12,642,236.88 × 6,408,819.12
  4. Step 4: Simplify right side
    9,170,706.48x = 81,021,809,436,113.16
  5. Step 5: Solve for x
    x = 81,021,809,436,113.16/9,170,706.48
  6. Step 6: Final answer
    x = 8,834,849.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.