Home / 9,201,843.60-13,802,765.40-2,812,085.70

Finding the Fourth Proportional to 9,201,843.60, 13,802,765.40 and 2,812,085.70

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Solution

The fourth proportional to 9,201,843.60, 13,802,765.40 and 2,812,085.70 is: 4,218,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201,843.60 : 13,802,765.40 = 2,812,085.70 : x
  2. Step 2: Convert to fraction form
    9,201,843.60/13,802,765.40 = 2,812,085.70/x
  3. Step 3: Cross multiply
    9,201,843.60x = 13,802,765.40 × 2,812,085.70
  4. Step 4: Simplify right side
    9,201,843.60x = 38,814,559,201,794.78
  5. Step 5: Solve for x
    x = 38,814,559,201,794.78/9,201,843.60
  6. Step 6: Final answer
    x = 4,218,128.55

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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.