Home / 7,028,977.96-9,700,887.92-3,931,673.44

Finding the Fourth Proportional to 7,028,977.96, 9,700,887.92 and 3,931,673.44

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Solution

The fourth proportional to 7,028,977.96, 9,700,887.92 and 3,931,673.44 is: 5,426,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,977.96 : 9,700,887.92 = 3,931,673.44 : x
  2. Step 2: Convert to fraction form
    7,028,977.96/9,700,887.92 = 3,931,673.44/x
  3. Step 3: Cross multiply
    7,028,977.96x = 9,700,887.92 × 3,931,673.44
  4. Step 4: Simplify right side
    7,028,977.96x = 38,140,723,379,480.84
  5. Step 5: Solve for x
    x = 38,140,723,379,480.84/7,028,977.96
  6. Step 6: Final answer
    x = 5,426,211.83

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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.