Home / 13,372,363.14-18,453,343.77-7,260,651.78

Finding the Fourth Proportional to 13,372,363.14, 18,453,343.77 and 7,260,651.78

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Solution

The fourth proportional to 13,372,363.14, 18,453,343.77 and 7,260,651.78 is: 10,019,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,363.14 : 18,453,343.77 = 7,260,651.78 : x
  2. Step 2: Convert to fraction form
    13,372,363.14/18,453,343.77 = 7,260,651.78/x
  3. Step 3: Cross multiply
    13,372,363.14x = 18,453,343.77 × 7,260,651.78
  4. Step 4: Simplify right side
    13,372,363.14x = 133,983,303,290,602.41
  5. Step 5: Solve for x
    x = 133,983,303,290,602.41/13,372,363.14
  6. Step 6: Final answer
    x = 10,019,418.55

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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.