Home / 20,654,814.24-30,983,232.16-7,872,936.48

Finding the Fourth Proportional to 20,654,814.24, 30,983,232.16 and 7,872,936.48

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Solution

The fourth proportional to 20,654,814.24, 30,983,232.16 and 7,872,936.48 is: 11,809,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,814.24 : 30,983,232.16 = 7,872,936.48 : x
  2. Step 2: Convert to fraction form
    20,654,814.24/30,983,232.16 = 7,872,936.48/x
  3. Step 3: Cross multiply
    20,654,814.24x = 30,983,232.16 × 7,872,936.48
  4. Step 4: Simplify right side
    20,654,814.24x = 243,929,018,740,773.22
  5. Step 5: Solve for x
    x = 243,929,018,740,773.22/20,654,814.24
  6. Step 6: Final answer
    x = 11,809,790.00

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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.