Home / 6,991,716.90-9,649,054.26-4,238,520.38

Finding the Fourth Proportional to 6,991,716.90, 9,649,054.26 and 4,238,520.38

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Solution

The fourth proportional to 6,991,716.90, 9,649,054.26 and 4,238,520.38 is: 5,849,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,716.90 : 9,649,054.26 = 4,238,520.38 : x
  2. Step 2: Convert to fraction form
    6,991,716.90/9,649,054.26 = 4,238,520.38/x
  3. Step 3: Cross multiply
    6,991,716.90x = 9,649,054.26 × 4,238,520.38
  4. Step 4: Simplify right side
    6,991,716.90x = 40,897,713,116,674.50
  5. Step 5: Solve for x
    x = 40,897,713,116,674.50/6,991,716.90
  6. Step 6: Final answer
    x = 5,849,452.10

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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.