Home / 25,678,471.20-35,436,722.00-13,918,112.43

Finding the Fourth Proportional to 25,678,471.20, 35,436,722.00 and 13,918,112.43

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Solution

The fourth proportional to 25,678,471.20, 35,436,722.00 and 13,918,112.43 is: 19,207,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678,471.20 : 35,436,722.00 = 13,918,112.43 : x
  2. Step 2: Convert to fraction form
    25,678,471.20/35,436,722.00 = 13,918,112.43/x
  3. Step 3: Cross multiply
    25,678,471.20x = 35,436,722.00 × 13,918,112.43
  4. Step 4: Simplify right side
    25,678,471.20x = 493,212,280,943,507.69
  5. Step 5: Solve for x
    x = 493,212,280,943,507.69/25,678,471.20
  6. Step 6: Final answer
    x = 19,207,229.17

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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.