Home / 12,352,704.90-18,536,336.55-5,163,684.90

Finding the Fourth Proportional to 12,352,704.90, 18,536,336.55 and 5,163,684.90

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Solution

The fourth proportional to 12,352,704.90, 18,536,336.55 and 5,163,684.90 is: 7,748,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,704.90 : 18,536,336.55 = 5,163,684.90 : x
  2. Step 2: Convert to fraction form
    12,352,704.90/18,536,336.55 = 5,163,684.90/x
  3. Step 3: Cross multiply
    12,352,704.90x = 18,536,336.55 × 5,163,684.90
  4. Step 4: Simplify right side
    12,352,704.90x = 95,715,801,144,553.11
  5. Step 5: Solve for x
    x = 95,715,801,144,553.11/12,352,704.90
  6. Step 6: Final answer
    x = 7,748,570.21

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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.