Home / 11,990,861.20-17,986,291.80-10,077,673.60

Finding the Fourth Proportional to 11,990,861.20, 17,986,291.80 and 10,077,673.60

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Solution

The fourth proportional to 11,990,861.20, 17,986,291.80 and 10,077,673.60 is: 15,116,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990,861.20 : 17,986,291.80 = 10,077,673.60 : x
  2. Step 2: Convert to fraction form
    11,990,861.20/17,986,291.80 = 10,077,673.60/x
  3. Step 3: Cross multiply
    11,990,861.20x = 17,986,291.80 × 10,077,673.60
  4. Step 4: Simplify right side
    11,990,861.20x = 181,259,978,034,756.47
  5. Step 5: Solve for x
    x = 181,259,978,034,756.47/11,990,861.20
  6. Step 6: Final answer
    x = 15,116,510.40

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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.