Home / 27,851,915.80-41,777,873.70-21,805,298.20

Finding the Fourth Proportional to 27,851,915.80, 41,777,873.70 and 21,805,298.20

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Solution

The fourth proportional to 27,851,915.80, 41,777,873.70 and 21,805,298.20 is: 32,707,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851,915.80 : 41,777,873.70 = 21,805,298.20 : x
  2. Step 2: Convert to fraction form
    27,851,915.80/41,777,873.70 = 21,805,298.20/x
  3. Step 3: Cross multiply
    27,851,915.80x = 41,777,873.70 × 21,805,298.20
  4. Step 4: Simplify right side
    27,851,915.80x = 910,978,994,190,437.38
  5. Step 5: Solve for x
    x = 910,978,994,190,437.38/27,851,915.80
  6. Step 6: Final answer
    x = 32,707,947.30

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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.