Home / 17,709,730.20-26,576,405.10-8,120,172.60

Finding the Fourth Proportional to 17,709,730.20, 26,576,405.10 and 8,120,172.60

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Solution

The fourth proportional to 17,709,730.20, 26,576,405.10 and 8,120,172.60 is: 12,185,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709,730.20 : 26,576,405.10 = 8,120,172.60 : x
  2. Step 2: Convert to fraction form
    17,709,730.20/26,576,405.10 = 8,120,172.60/x
  3. Step 3: Cross multiply
    17,709,730.20x = 26,576,405.10 × 8,120,172.60
  4. Step 4: Simplify right side
    17,709,730.20x = 215,804,996,499,520.25
  5. Step 5: Solve for x
    x = 215,804,996,499,520.25/17,709,730.20
  6. Step 6: Final answer
    x = 12,185,673.87

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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.