Home / 7,439,948.20-11,149,295.10-4,238,309.80

Finding the Fourth Proportional to 7,439,948.20, 11,149,295.10 and 4,238,309.80

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Solution

The fourth proportional to 7,439,948.20, 11,149,295.10 and 4,238,309.80 is: 6,351,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,948.20 : 11,149,295.10 = 4,238,309.80 : x
  2. Step 2: Convert to fraction form
    7,439,948.20/11,149,295.10 = 4,238,309.80/x
  3. Step 3: Cross multiply
    7,439,948.20x = 11,149,295.10 × 4,238,309.80
  4. Step 4: Simplify right side
    7,439,948.20x = 47,254,166,685,421.98
  5. Step 5: Solve for x
    x = 47,254,166,685,421.98/7,439,948.20
  6. Step 6: Final answer
    x = 6,351,410.71

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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.