Home / 22,018,282.20-33,019,008.36-7,242,939.81

Finding the Fourth Proportional to 22,018,282.20, 33,019,008.36 and 7,242,939.81

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Solution

The fourth proportional to 22,018,282.20, 33,019,008.36 and 7,242,939.81 is: 10,861,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018,282.20 : 33,019,008.36 = 7,242,939.81 : x
  2. Step 2: Convert to fraction form
    22,018,282.20/33,019,008.36 = 7,242,939.81/x
  3. Step 3: Cross multiply
    22,018,282.20x = 33,019,008.36 × 7,242,939.81
  4. Step 4: Simplify right side
    22,018,282.20x = 239,154,690,137,366.78
  5. Step 5: Solve for x
    x = 239,154,690,137,366.78/22,018,282.20
  6. Step 6: Final answer
    x = 10,861,641.61

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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.