Home / 6,388,368.15-8,819,927.42-4,066,571.19

Finding the Fourth Proportional to 6,388,368.15, 8,819,927.42 and 4,066,571.19

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Solution

The fourth proportional to 6,388,368.15, 8,819,927.42 and 4,066,571.19 is: 5,614,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,368.15 : 8,819,927.42 = 4,066,571.19 : x
  2. Step 2: Convert to fraction form
    6,388,368.15/8,819,927.42 = 4,066,571.19/x
  3. Step 3: Cross multiply
    6,388,368.15x = 8,819,927.42 × 4,066,571.19
  4. Step 4: Simplify right side
    6,388,368.15x = 35,866,862,744,063.03
  5. Step 5: Solve for x
    x = 35,866,862,744,063.03/6,388,368.15
  6. Step 6: Final answer
    x = 5,614,401.35

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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.