Home / 8,476,306.32-12,706,769.76-3,081,146.28

Finding the Fourth Proportional to 8,476,306.32, 12,706,769.76 and 3,081,146.28

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Solution

The fourth proportional to 8,476,306.32, 12,706,769.76 and 3,081,146.28 is: 4,618,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476,306.32 : 12,706,769.76 = 3,081,146.28 : x
  2. Step 2: Convert to fraction form
    8,476,306.32/12,706,769.76 = 3,081,146.28/x
  3. Step 3: Cross multiply
    8,476,306.32x = 12,706,769.76 × 3,081,146.28
  4. Step 4: Simplify right side
    8,476,306.32x = 39,151,416,376,840.49
  5. Step 5: Solve for x
    x = 39,151,416,376,840.49/8,476,306.32
  6. Step 6: Final answer
    x = 4,618,924.20

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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.