Home / 7,529,121.72-10,389,978.54-4,091,248.44

Finding the Fourth Proportional to 7,529,121.72, 10,389,978.54 and 4,091,248.44

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Solution

The fourth proportional to 7,529,121.72, 10,389,978.54 and 4,091,248.44 is: 5,645,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529,121.72 : 10,389,978.54 = 4,091,248.44 : x
  2. Step 2: Convert to fraction form
    7,529,121.72/10,389,978.54 = 4,091,248.44/x
  3. Step 3: Cross multiply
    7,529,121.72x = 10,389,978.54 × 4,091,248.44
  4. Step 4: Simplify right side
    7,529,121.72x = 42,507,983,493,408.48
  5. Step 5: Solve for x
    x = 42,507,983,493,408.48/7,529,121.72
  6. Step 6: Final answer
    x = 5,645,809.04

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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.