Home / 21,265,227.66-31,851,176.94-17,580,192.95

Finding the Fourth Proportional to 21,265,227.66, 31,851,176.94 and 17,580,192.95

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Solution

The fourth proportional to 21,265,227.66, 31,851,176.94 and 17,580,192.95 is: 26,331,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265,227.66 : 31,851,176.94 = 17,580,192.95 : x
  2. Step 2: Convert to fraction form
    21,265,227.66/31,851,176.94 = 17,580,192.95/x
  3. Step 3: Cross multiply
    21,265,227.66x = 31,851,176.94 × 17,580,192.95
  4. Step 4: Simplify right side
    21,265,227.66x = 559,949,836,130,534.75
  5. Step 5: Solve for x
    x = 559,949,836,130,534.75/21,265,227.66
  6. Step 6: Final answer
    x = 26,331,711.33

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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.