Home / 20,224,895.80-30,337,343.70-11,700,844.60

Finding the Fourth Proportional to 20,224,895.80, 30,337,343.70 and 11,700,844.60

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Solution

The fourth proportional to 20,224,895.80, 30,337,343.70 and 11,700,844.60 is: 17,551,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,895.80 : 30,337,343.70 = 11,700,844.60 : x
  2. Step 2: Convert to fraction form
    20,224,895.80/30,337,343.70 = 11,700,844.60/x
  3. Step 3: Cross multiply
    20,224,895.80x = 30,337,343.70 × 11,700,844.60
  4. Step 4: Simplify right side
    20,224,895.80x = 354,972,544,210,489
  5. Step 5: Solve for x
    x = 354,972,544,210,489/20,224,895.80
  6. Step 6: Final answer
    x = 17,551,266.90

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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.