Home / 21,109,552.16-31,666,690.19-6,729,283.58

Finding the Fourth Proportional to 21,109,552.16, 31,666,690.19 and 6,729,283.58

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Solution

The fourth proportional to 21,109,552.16, 31,666,690.19 and 6,729,283.58 is: 10,094,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,109,552.16 : 31,666,690.19 = 6,729,283.58 : x
  2. Step 2: Convert to fraction form
    21,109,552.16/31,666,690.19 = 6,729,283.58/x
  3. Step 3: Cross multiply
    21,109,552.16x = 31,666,690.19 × 6,729,283.58
  4. Step 4: Simplify right side
    21,109,552.16x = 213,094,138,187,003.84
  5. Step 5: Solve for x
    x = 213,094,138,187,003.84/21,109,552.16
  6. Step 6: Final answer
    x = 10,094,678.31

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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.