Home / 11,217,762.20-16,826,643.30-7,178,810.60

Finding the Fourth Proportional to 11,217,762.20, 16,826,643.30 and 7,178,810.60

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Solution

The fourth proportional to 11,217,762.20, 16,826,643.30 and 7,178,810.60 is: 10,768,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217,762.20 : 16,826,643.30 = 7,178,810.60 : x
  2. Step 2: Convert to fraction form
    11,217,762.20/16,826,643.30 = 7,178,810.60/x
  3. Step 3: Cross multiply
    11,217,762.20x = 16,826,643.30 × 7,178,810.60
  4. Step 4: Simplify right side
    11,217,762.20x = 120,795,285,284,458.98
  5. Step 5: Solve for x
    x = 120,795,285,284,458.98/11,217,762.20
  6. Step 6: Final answer
    x = 10,768,215.90

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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.