Home / 21,546,046.80-32,336,695.80-21,378,085.20

Finding the Fourth Proportional to 21,546,046.80, 32,336,695.80 and 21,378,085.20

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Solution

The fourth proportional to 21,546,046.80, 32,336,695.80 and 21,378,085.20 is: 32,084,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,046.80 : 32,336,695.80 = 21,378,085.20 : x
  2. Step 2: Convert to fraction form
    21,546,046.80/32,336,695.80 = 21,378,085.20/x
  3. Step 3: Cross multiply
    21,546,046.80x = 32,336,695.80 × 21,378,085.20
  4. Step 4: Simplify right side
    21,546,046.80x = 691,296,637,898,882.12
  5. Step 5: Solve for x
    x = 691,296,637,898,882.12/21,546,046.80
  6. Step 6: Final answer
    x = 32,084,616.00

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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.