Home / 13,614,310.39-18,787,748.68-7,502,738.89

Finding the Fourth Proportional to 13,614,310.39, 18,787,748.68 and 7,502,738.89

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Solution

The fourth proportional to 13,614,310.39, 18,787,748.68 and 7,502,738.89 is: 10,353,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,310.39 : 18,787,748.68 = 7,502,738.89 : x
  2. Step 2: Convert to fraction form
    13,614,310.39/18,787,748.68 = 7,502,738.89/x
  3. Step 3: Cross multiply
    13,614,310.39x = 18,787,748.68 × 7,502,738.89
  4. Step 4: Simplify right side
    13,614,310.39x = 140,959,572,676,982.16
  5. Step 5: Solve for x
    x = 140,959,572,676,982.16/13,614,310.39
  6. Step 6: Final answer
    x = 10,353,779.86

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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.