Home / 12,048,562.90-18,086,841.15-7,261,657.30

Finding the Fourth Proportional to 12,048,562.90, 18,086,841.15 and 7,261,657.30

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Solution

The fourth proportional to 12,048,562.90, 18,086,841.15 and 7,261,657.30 is: 10,900,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,562.90 : 18,086,841.15 = 7,261,657.30 : x
  2. Step 2: Convert to fraction form
    12,048,562.90/18,086,841.15 = 7,261,657.30/x
  3. Step 3: Cross multiply
    12,048,562.90x = 18,086,841.15 × 7,261,657.30
  4. Step 4: Simplify right side
    12,048,562.90x = 131,340,442,070,837.88
  5. Step 5: Solve for x
    x = 131,340,442,070,837.88/12,048,562.90
  6. Step 6: Final answer
    x = 10,900,921.81

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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.