Home / 31,584,032.34-43,586,265.06-18,531,513.30

Finding the Fourth Proportional to 31,584,032.34, 43,586,265.06 and 18,531,513.30

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Solution

The fourth proportional to 31,584,032.34, 43,586,265.06 and 18,531,513.30 is: 25,573,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,032.34 : 43,586,265.06 = 18,531,513.30 : x
  2. Step 2: Convert to fraction form
    31,584,032.34/43,586,265.06 = 18,531,513.30/x
  3. Step 3: Cross multiply
    31,584,032.34x = 43,586,265.06 × 18,531,513.30
  4. Step 4: Simplify right side
    31,584,032.34x = 807,719,450,656,715.38
  5. Step 5: Solve for x
    x = 807,719,450,656,715.38/31,584,032.34
  6. Step 6: Final answer
    x = 25,573,664.63

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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.