Home / 20,437,515.58-30,621,570.52-12,333,461.94

Finding the Fourth Proportional to 20,437,515.58, 30,621,570.52 and 12,333,461.94

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Solution

The fourth proportional to 20,437,515.58, 30,621,570.52 and 12,333,461.94 is: 18,479,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,515.58 : 30,621,570.52 = 12,333,461.94 : x
  2. Step 2: Convert to fraction form
    20,437,515.58/30,621,570.52 = 12,333,461.94/x
  3. Step 3: Cross multiply
    20,437,515.58x = 30,621,570.52 × 12,333,461.94
  4. Step 4: Simplify right side
    20,437,515.58x = 377,669,974,551,446
  5. Step 5: Solve for x
    x = 377,669,974,551,446/20,437,515.58
  6. Step 6: Final answer
    x = 18,479,250.72

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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.