Home / 8,296,421.20-12,419,748.60-7,301,093.20

Finding the Fourth Proportional to 8,296,421.20, 12,419,748.60 and 7,301,093.20

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Solution

The fourth proportional to 8,296,421.20, 12,419,748.60 and 7,301,093.20 is: 10,929,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,421.20 : 12,419,748.60 = 7,301,093.20 : x
  2. Step 2: Convert to fraction form
    8,296,421.20/12,419,748.60 = 7,301,093.20/x
  3. Step 3: Cross multiply
    8,296,421.20x = 12,419,748.60 × 7,301,093.20
  4. Step 4: Simplify right side
    8,296,421.20x = 90,677,742,049,169.52
  5. Step 5: Solve for x
    x = 90,677,742,049,169.52/8,296,421.20
  6. Step 6: Final answer
    x = 10,929,741.86

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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.