Home / 6,388,365.15-8,819,923.28-4,066,568.19

Finding the Fourth Proportional to 6,388,365.15, 8,819,923.28 and 4,066,568.19

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Solution

The fourth proportional to 6,388,365.15, 8,819,923.28 and 4,066,568.19 is: 5,614,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,365.15 : 8,819,923.28 = 4,066,568.19 : x
  2. Step 2: Convert to fraction form
    6,388,365.15/8,819,923.28 = 4,066,568.19/x
  3. Step 3: Cross multiply
    6,388,365.15x = 8,819,923.28 × 4,066,568.19
  4. Step 4: Simplify right side
    6,388,365.15x = 35,866,819,428,355.62
  5. Step 5: Solve for x
    x = 35,866,819,428,355.62/6,388,365.15
  6. Step 6: Final answer
    x = 5,614,397.20

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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.