Home / 11,985,031.92-17,979,337.98-4,411,421.76

Finding the Fourth Proportional to 11,985,031.92, 17,979,337.98 and 4,411,421.76

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Solution

The fourth proportional to 11,985,031.92, 17,979,337.98 and 4,411,421.76 is: 6,617,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,031.92 : 17,979,337.98 = 4,411,421.76 : x
  2. Step 2: Convert to fraction form
    11,985,031.92/17,979,337.98 = 4,411,421.76/x
  3. Step 3: Cross multiply
    11,985,031.92x = 17,979,337.98 × 4,411,421.76
  4. Step 4: Simplify right side
    11,985,031.92x = 79,314,442,795,366.44
  5. Step 5: Solve for x
    x = 79,314,442,795,366.44/11,985,031.92
  6. Step 6: Final answer
    x = 6,617,791.54

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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.