Home / 18,782,859.60-25,908,302.16-12,899,654.64

Finding the Fourth Proportional to 18,782,859.60, 25,908,302.16 and 12,899,654.64

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Solution

The fourth proportional to 18,782,859.60, 25,908,302.16 and 12,899,654.64 is: 17,793,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,859.60 : 25,908,302.16 = 12,899,654.64 : x
  2. Step 2: Convert to fraction form
    18,782,859.60/25,908,302.16 = 12,899,654.64/x
  3. Step 3: Cross multiply
    18,782,859.60x = 25,908,302.16 × 12,899,654.64
  4. Step 4: Simplify right side
    18,782,859.60x = 334,208,150,172,766.06
  5. Step 5: Solve for x
    x = 334,208,150,172,766.06/18,782,859.60
  6. Step 6: Final answer
    x = 17,793,251.79

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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.