Home / 11,878,412.40-17,817,618.60-8,295,231.60

Finding the Fourth Proportional to 11,878,412.40, 17,817,618.60 and 8,295,231.60

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Solution

The fourth proportional to 11,878,412.40, 17,817,618.60 and 8,295,231.60 is: 12,442,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,412.40 : 17,817,618.60 = 8,295,231.60 : x
  2. Step 2: Convert to fraction form
    11,878,412.40/17,817,618.60 = 8,295,231.60/x
  3. Step 3: Cross multiply
    11,878,412.40x = 17,817,618.60 × 8,295,231.60
  4. Step 4: Simplify right side
    11,878,412.40x = 147,801,272,847,467.78
  5. Step 5: Solve for x
    x = 147,801,272,847,467.78/11,878,412.40
  6. Step 6: Final answer
    x = 12,442,847.40

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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.