Home / 20,437,370.82-30,621,353.00-12,333,317.58

Finding the Fourth Proportional to 20,437,370.82, 30,621,353.00 and 12,333,317.58

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Solution

The fourth proportional to 20,437,370.82, 30,621,353.00 and 12,333,317.58 is: 18,479,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,370.82 : 30,621,353.00 = 12,333,317.58 : x
  2. Step 2: Convert to fraction form
    20,437,370.82/30,621,353.00 = 12,333,317.58/x
  3. Step 3: Cross multiply
    20,437,370.82x = 30,621,353.00 × 12,333,317.58
  4. Step 4: Simplify right side
    20,437,370.82x = 377,662,871,216,619.19
  5. Step 5: Solve for x
    x = 377,662,871,216,619.19/20,437,370.82
  6. Step 6: Final answer
    x = 18,479,034.05

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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.