Home / 31,084,966.68-42,897,940.48-17,146,745.32

Finding the Fourth Proportional to 31,084,966.68, 42,897,940.48 and 17,146,745.32

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Solution

The fourth proportional to 31,084,966.68, 42,897,940.48 and 17,146,745.32 is: 23,662,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084,966.68 : 42,897,940.48 = 17,146,745.32 : x
  2. Step 2: Convert to fraction form
    31,084,966.68/42,897,940.48 = 17,146,745.32/x
  3. Step 3: Cross multiply
    31,084,966.68x = 42,897,940.48 × 17,146,745.32
  4. Step 4: Simplify right side
    31,084,966.68x = 735,560,060,163,078.50
  5. Step 5: Solve for x
    x = 735,560,060,163,078.50/31,084,966.68
  6. Step 6: Final answer
    x = 23,662,887.20

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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.