Home / 14,408,768.55-19,884,257.56-7,882,257.89

Finding the Fourth Proportional to 14,408,768.55, 19,884,257.56 and 7,882,257.89

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Solution

The fourth proportional to 14,408,768.55, 19,884,257.56 and 7,882,257.89 is: 10,877,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408,768.55 : 19,884,257.56 = 7,882,257.89 : x
  2. Step 2: Convert to fraction form
    14,408,768.55/19,884,257.56 = 7,882,257.89/x
  3. Step 3: Cross multiply
    14,408,768.55x = 19,884,257.56 × 7,882,257.89
  4. Step 4: Simplify right side
    14,408,768.55x = 156,732,846,098,665.62
  5. Step 5: Solve for x
    x = 156,732,846,098,665.62/14,408,768.55
  6. Step 6: Final answer
    x = 10,877,601.76

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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.