Home / 20,572,685.68-30,858,967.01-5,219,945.68

Finding the Fourth Proportional to 20,572,685.68, 30,858,967.01 and 5,219,945.68

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Solution

The fourth proportional to 20,572,685.68, 30,858,967.01 and 5,219,945.68 is: 7,829,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,685.68 : 30,858,967.01 = 5,219,945.68 : x
  2. Step 2: Convert to fraction form
    20,572,685.68/30,858,967.01 = 5,219,945.68/x
  3. Step 3: Cross multiply
    20,572,685.68x = 30,858,967.01 × 5,219,945.68
  4. Step 4: Simplify right side
    20,572,685.68x = 161,082,131,584,303.69
  5. Step 5: Solve for x
    x = 161,082,131,584,303.69/20,572,685.68
  6. Step 6: Final answer
    x = 7,829,902.91

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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.