Home / 15,155,561.60-20,914,683.38-8,186,239.11

Finding the Fourth Proportional to 15,155,561.60, 20,914,683.38 and 8,186,239.11

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Solution

The fourth proportional to 15,155,561.60, 20,914,683.38 and 8,186,239.11 is: 11,297,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155,561.60 : 20,914,683.38 = 8,186,239.11 : x
  2. Step 2: Convert to fraction form
    15,155,561.60/20,914,683.38 = 8,186,239.11/x
  3. Step 3: Cross multiply
    15,155,561.60x = 20,914,683.38 × 8,186,239.11
  4. Step 4: Simplify right side
    15,155,561.60x = 171,212,599,063,739.38
  5. Step 5: Solve for x
    x = 171,212,599,063,739.38/15,155,561.60
  6. Step 6: Final answer
    x = 11,297,014.49

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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.