Home / 7,049,430.12-9,728,179.68-3,993,637.08

Finding the Fourth Proportional to 7,049,430.12, 9,728,179.68 and 3,993,637.08

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Solution

The fourth proportional to 7,049,430.12, 9,728,179.68 and 3,993,637.08 is: 5,511,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049,430.12 : 9,728,179.68 = 3,993,637.08 : x
  2. Step 2: Convert to fraction form
    7,049,430.12/9,728,179.68 = 3,993,637.08/x
  3. Step 3: Cross multiply
    7,049,430.12x = 9,728,179.68 × 3,993,637.08
  4. Step 4: Simplify right side
    7,049,430.12x = 38,850,819,090,950.53
  5. Step 5: Solve for x
    x = 38,850,819,090,950.53/7,049,430.12
  6. Step 6: Final answer
    x = 5,511,199.97

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1.5x scale

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.