Home / 15,155,562.67-20,914,684.87-8,186,240.18

Finding the Fourth Proportional to 15,155,562.67, 20,914,684.87 and 8,186,240.18

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Solution

The fourth proportional to 15,155,562.67, 20,914,684.87 and 8,186,240.18 is: 11,297,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155,562.67 : 20,914,684.87 = 8,186,240.18 : x
  2. Step 2: Convert to fraction form
    15,155,562.67/20,914,684.87 = 8,186,240.18/x
  3. Step 3: Cross multiply
    15,155,562.67x = 20,914,684.87 × 8,186,240.18
  4. Step 4: Simplify right side
    15,155,562.67x = 171,212,633,634,832.09
  5. Step 5: Solve for x
    x = 171,212,633,634,832.09/15,155,562.67
  6. Step 6: Final answer
    x = 11,297,015.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.