Home / 31,584,035.28-43,586,269.20-18,531,516.36

Finding the Fourth Proportional to 31,584,035.28, 43,586,269.20 and 18,531,516.36

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Solution

The fourth proportional to 31,584,035.28, 43,586,269.20 and 18,531,516.36 is: 25,573,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,035.28 : 43,586,269.20 = 18,531,516.36 : x
  2. Step 2: Convert to fraction form
    31,584,035.28/43,586,269.20 = 18,531,516.36/x
  3. Step 3: Cross multiply
    31,584,035.28x = 43,586,269.20 × 18,531,516.36
  4. Step 4: Simplify right side
    31,584,035.28x = 807,719,660,751,164.12
  5. Step 5: Solve for x
    x = 807,719,660,751,164.12/31,584,035.28
  6. Step 6: Final answer
    x = 25,573,668.90

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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.