Home / 7,334,229.78-10,121,877.59-4,279,428.18

Finding the Fourth Proportional to 7,334,229.78, 10,121,877.59 and 4,279,428.18

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Solution

The fourth proportional to 7,334,229.78, 10,121,877.59 and 4,279,428.18 is: 5,905,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334,229.78 : 10,121,877.59 = 4,279,428.18 : x
  2. Step 2: Convert to fraction form
    7,334,229.78/10,121,877.59 = 4,279,428.18/x
  3. Step 3: Cross multiply
    7,334,229.78x = 10,121,877.59 × 4,279,428.18
  4. Step 4: Simplify right side
    7,334,229.78x = 43,315,848,171,759.34
  5. Step 5: Solve for x
    x = 43,315,848,171,759.34/7,334,229.78
  6. Step 6: Final answer
    x = 5,905,984.61

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1.5x scale

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.