Home / 21,885,185.54-32,820,954.84-8,240,230.10

Finding the Fourth Proportional to 21,885,185.54, 32,820,954.84 and 8,240,230.10

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Solution

The fourth proportional to 21,885,185.54, 32,820,954.84 and 8,240,230.10 is: 12,357,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,185.54 : 32,820,954.84 = 8,240,230.10 : x
  2. Step 2: Convert to fraction form
    21,885,185.54/32,820,954.84 = 8,240,230.10/x
  3. Step 3: Cross multiply
    21,885,185.54x = 32,820,954.84 × 8,240,230.10
  4. Step 4: Simplify right side
    21,885,185.54x = 270,452,219,983,308.66
  5. Step 5: Solve for x
    x = 270,452,219,983,308.66/21,885,185.54
  6. Step 6: Final answer
    x = 12,357,775.97

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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.