Home / 8,857,175.20-13,285,762.80-8,689,213.60

Finding the Fourth Proportional to 8,857,175.20, 13,285,762.80 and 8,689,213.60

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Solution

The fourth proportional to 8,857,175.20, 13,285,762.80 and 8,689,213.60 is: 13,033,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,175.20 : 13,285,762.80 = 8,689,213.60 : x
  2. Step 2: Convert to fraction form
    8,857,175.20/13,285,762.80 = 8,689,213.60/x
  3. Step 3: Cross multiply
    8,857,175.20x = 13,285,762.80 × 8,689,213.60
  4. Step 4: Simplify right side
    8,857,175.20x = 115,442,830,808,134.08
  5. Step 5: Solve for x
    x = 115,442,830,808,134.08/8,857,175.20
  6. Step 6: Final answer
    x = 13,033,820.40

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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.