Home / 25,891,388.64-38,837,782.80-6,721,721.28

Finding the Fourth Proportional to 25,891,388.64, 38,837,782.80 and 6,721,721.28

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Solution

The fourth proportional to 25,891,388.64, 38,837,782.80 and 6,721,721.28 is: 10,082,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891,388.64 : 38,837,782.80 = 6,721,721.28 : x
  2. Step 2: Convert to fraction form
    25,891,388.64/38,837,782.80 = 6,721,721.28/x
  3. Step 3: Cross multiply
    25,891,388.64x = 38,837,782.80 × 6,721,721.28
  4. Step 4: Simplify right side
    25,891,388.64x = 261,056,751,114,777.97
  5. Step 5: Solve for x
    x = 261,056,751,114,777.97/25,891,388.64
  6. Step 6: Final answer
    x = 10,082,763.61

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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.