Home / 10,351,164.56-15,526,744.79-2,778,130.31

Finding the Fourth Proportional to 10,351,164.56, 15,526,744.79 and 2,778,130.31

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Solution

The fourth proportional to 10,351,164.56, 15,526,744.79 and 2,778,130.31 is: 4,167,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,164.56 : 15,526,744.79 = 2,778,130.31 : x
  2. Step 2: Convert to fraction form
    10,351,164.56/15,526,744.79 = 2,778,130.31/x
  3. Step 3: Cross multiply
    10,351,164.56x = 15,526,744.79 × 2,778,130.31
  4. Step 4: Simplify right side
    10,351,164.56x = 43,135,320,225,209.21
  5. Step 5: Solve for x
    x = 43,135,320,225,209.21/10,351,164.56
  6. Step 6: Final answer
    x = 4,167,194.91

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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.