Home / 7,861,354.79-11,788,019.07-3,597,867.56

Finding the Fourth Proportional to 7,861,354.79, 11,788,019.07 and 3,597,867.56

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Solution

The fourth proportional to 7,861,354.79, 11,788,019.07 and 3,597,867.56 is: 5,394,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861,354.79 : 11,788,019.07 = 3,597,867.56 : x
  2. Step 2: Convert to fraction form
    7,861,354.79/11,788,019.07 = 3,597,867.56/x
  3. Step 3: Cross multiply
    7,861,354.79x = 11,788,019.07 × 3,597,867.56
  4. Step 4: Simplify right side
    7,861,354.79x = 42,411,731,408,614.37
  5. Step 5: Solve for x
    x = 42,411,731,408,614.37/7,861,354.79
  6. Step 6: Final answer
    x = 5,394,964.68

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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.