Home / 12,950,421.20-19,425,631.80-3,973,806.80

Finding the Fourth Proportional to 12,950,421.20, 19,425,631.80 and 3,973,806.80

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Solution

The fourth proportional to 12,950,421.20, 19,425,631.80 and 3,973,806.80 is: 5,960,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,421.20 : 19,425,631.80 = 3,973,806.80 : x
  2. Step 2: Convert to fraction form
    12,950,421.20/19,425,631.80 = 3,973,806.80/x
  3. Step 3: Cross multiply
    12,950,421.20x = 19,425,631.80 × 3,973,806.80
  4. Step 4: Simplify right side
    12,950,421.20x = 77,193,707,741,136.23
  5. Step 5: Solve for x
    x = 77,193,707,741,136.23/12,950,421.20
  6. Step 6: Final answer
    x = 5,960,710.20

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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.