Home / 20,355,061.10-30,546,588.45-8,387,797.10

Finding the Fourth Proportional to 20,355,061.10, 30,546,588.45 and 8,387,797.10

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Solution

The fourth proportional to 20,355,061.10, 30,546,588.45 and 8,387,797.10 is: 12,587,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,061.10 : 30,546,588.45 = 8,387,797.10 : x
  2. Step 2: Convert to fraction form
    20,355,061.10/30,546,588.45 = 8,387,797.10/x
  3. Step 3: Cross multiply
    20,355,061.10x = 30,546,588.45 × 8,387,797.10
  4. Step 4: Simplify right side
    20,355,061.10x = 256,218,586,015,803.47
  5. Step 5: Solve for x
    x = 256,218,586,015,803.47/20,355,061.10
  6. Step 6: Final answer
    x = 12,587,463.37

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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.