Home / 20,437,525.56-30,621,585.50-12,333,471.92

Finding the Fourth Proportional to 20,437,525.56, 30,621,585.50 and 12,333,471.92

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Solution

The fourth proportional to 20,437,525.56, 30,621,585.50 and 12,333,471.92 is: 18,479,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,525.56 : 30,621,585.50 = 12,333,471.92 : x
  2. Step 2: Convert to fraction form
    20,437,525.56/30,621,585.50 = 12,333,471.92/x
  3. Step 3: Cross multiply
    20,437,525.56x = 30,621,585.50 × 12,333,471.92
  4. Step 4: Simplify right side
    20,437,525.56x = 377,670,464,910,129.19
  5. Step 5: Solve for x
    x = 377,670,464,910,129.19/20,437,525.56
  6. Step 6: Final answer
    x = 18,479,265.69

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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.