Home / 10,365,561.11-15,548,341.67-5,313,649.43

Finding the Fourth Proportional to 10,365,561.11, 15,548,341.67 and 5,313,649.43

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Solution

The fourth proportional to 10,365,561.11, 15,548,341.67 and 5,313,649.43 is: 7,970,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,561.11 : 15,548,341.67 = 5,313,649.43 : x
  2. Step 2: Convert to fraction form
    10,365,561.11/15,548,341.67 = 5,313,649.43/x
  3. Step 3: Cross multiply
    10,365,561.11x = 15,548,341.67 × 5,313,649.43
  4. Step 4: Simplify right side
    10,365,561.11x = 82,618,436,852,240.75
  5. Step 5: Solve for x
    x = 82,618,436,852,240.75/10,365,561.11
  6. Step 6: Final answer
    x = 7,970,474.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.