Home / 21,723,710-32,589,761.16-8,259,491.12

Finding the Fourth Proportional to 21,723,710, 32,589,761.16 and 8,259,491.12

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Solution

The fourth proportional to 21,723,710, 32,589,761.16 and 8,259,491.12 is: 12,390,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,710 : 32,589,761.16 = 8,259,491.12 : x
  2. Step 2: Convert to fraction form
    21,723,710/32,589,761.16 = 8,259,491.12/x
  3. Step 3: Cross multiply
    21,723,710x = 32,589,761.16 × 8,259,491.12
  4. Step 4: Simplify right side
    21,723,710x = 269,174,842,903,940.91
  5. Step 5: Solve for x
    x = 269,174,842,903,940.91/21,723,710
  6. Step 6: Final answer
    x = 12,390,832.09

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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.