Home / 8,228,728.63-12,345,063.68-3,433,750.57

Finding the Fourth Proportional to 8,228,728.63, 12,345,063.68 and 3,433,750.57

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Solution

The fourth proportional to 8,228,728.63, 12,345,063.68 and 3,433,750.57 is: 5,151,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228,728.63 : 12,345,063.68 = 3,433,750.57 : x
  2. Step 2: Convert to fraction form
    8,228,728.63/12,345,063.68 = 3,433,750.57/x
  3. Step 3: Cross multiply
    8,228,728.63x = 12,345,063.68 × 3,433,750.57
  4. Step 4: Simplify right side
    8,228,728.63x = 42,389,869,447,886.30
  5. Step 5: Solve for x
    x = 42,389,869,447,886.30/8,228,728.63
  6. Step 6: Final answer
    x = 5,151,448.22

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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.