Home / 6,977,006.76-9,628,277.08-3,879,496.72

Finding the Fourth Proportional to 6,977,006.76, 9,628,277.08 and 3,879,496.72

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Solution

The fourth proportional to 6,977,006.76, 9,628,277.08 and 3,879,496.72 is: 5,353,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977,006.76 : 9,628,277.08 = 3,879,496.72 : x
  2. Step 2: Convert to fraction form
    6,977,006.76/9,628,277.08 = 3,879,496.72/x
  3. Step 3: Cross multiply
    6,977,006.76x = 9,628,277.08 × 3,879,496.72
  4. Step 4: Simplify right side
    6,977,006.76x = 37,352,869,351,111.18
  5. Step 5: Solve for x
    x = 37,352,869,351,111.18/6,977,006.76
  6. Step 6: Final answer
    x = 5,353,709.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.