Home / 8,734,675.20-13,102,012.80-8,342,764.80

Finding the Fourth Proportional to 8,734,675.20, 13,102,012.80 and 8,342,764.80

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Solution

The fourth proportional to 8,734,675.20, 13,102,012.80 and 8,342,764.80 is: 12,514,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,675.20 : 13,102,012.80 = 8,342,764.80 : x
  2. Step 2: Convert to fraction form
    8,734,675.20/13,102,012.80 = 8,342,764.80/x
  3. Step 3: Cross multiply
    8,734,675.20x = 13,102,012.80 × 8,342,764.80
  4. Step 4: Simplify right side
    8,734,675.20x = 109,307,011,196,989.44
  5. Step 5: Solve for x
    x = 109,307,011,196,989.44/8,734,675.20
  6. Step 6: Final answer
    x = 12,514,147.20

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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.