Home / 10,122,546.38-13,969,114-5,538,867.76

Finding the Fourth Proportional to 10,122,546.38, 13,969,114 and 5,538,867.76

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Solution

The fourth proportional to 10,122,546.38, 13,969,114 and 5,538,867.76 is: 7,643,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,546.38 : 13,969,114 = 5,538,867.76 : x
  2. Step 2: Convert to fraction form
    10,122,546.38/13,969,114 = 5,538,867.76/x
  3. Step 3: Cross multiply
    10,122,546.38x = 13,969,114 × 5,538,867.76
  4. Step 4: Simplify right side
    10,122,546.38x = 77,373,075,170,364.64
  5. Step 5: Solve for x
    x = 77,373,075,170,364.64/10,122,546.38
  6. Step 6: Final answer
    x = 7,643,637.51

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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.