Home / 7,028,979.96-9,700,890.68-3,931,675.44

Finding the Fourth Proportional to 7,028,979.96, 9,700,890.68 and 3,931,675.44

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Solution

The fourth proportional to 7,028,979.96, 9,700,890.68 and 3,931,675.44 is: 5,426,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,979.96 : 9,700,890.68 = 3,931,675.44 : x
  2. Step 2: Convert to fraction form
    7,028,979.96/9,700,890.68 = 3,931,675.44/x
  3. Step 3: Cross multiply
    7,028,979.96x = 9,700,890.68 × 3,931,675.44
  4. Step 4: Simplify right side
    7,028,979.96x = 38,140,753,632,680.90
  5. Step 5: Solve for x
    x = 38,140,753,632,680.90/7,028,979.96
  6. Step 6: Final answer
    x = 5,426,214.59

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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.