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Finding the Fourth Proportional to 7,339,911.30, 11,009,866.95 and 6,277,029.30

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Solution

The fourth proportional to 7,339,911.30, 11,009,866.95 and 6,277,029.30 is: 9,415,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,911.30 : 11,009,866.95 = 6,277,029.30 : x
  2. Step 2: Convert to fraction form
    7,339,911.30/11,009,866.95 = 6,277,029.30/x
  3. Step 3: Cross multiply
    7,339,911.30x = 11,009,866.95 × 6,277,029.30
  4. Step 4: Simplify right side
    7,339,911.30x = 69,109,257,434,251.62
  5. Step 5: Solve for x
    x = 69,109,257,434,251.62/7,339,911.30
  6. Step 6: Final answer
    x = 9,415,543.95

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Similar ratio
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1.5x scale

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.