Home / 20,411,105.23-30,601,263.48-12,322,158.28

Finding the Fourth Proportional to 20,411,105.23, 30,601,263.48 and 12,322,158.28

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Solution

The fourth proportional to 20,411,105.23, 30,601,263.48 and 12,322,158.28 is: 18,473,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411,105.23 : 30,601,263.48 = 12,322,158.28 : x
  2. Step 2: Convert to fraction form
    20,411,105.23/30,601,263.48 = 12,322,158.28/x
  3. Step 3: Cross multiply
    20,411,105.23x = 30,601,263.48 × 12,322,158.28
  4. Step 4: Simplify right side
    20,411,105.23x = 377,073,612,168,543.62
  5. Step 5: Solve for x
    x = 377,073,612,168,543.62/20,411,105.23
  6. Step 6: Final answer
    x = 18,473,943.86

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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.