Home / 7,571,142-11,351,114.28-4,578,660.72

Finding the Fourth Proportional to 7,571,142, 11,351,114.28 and 4,578,660.72

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Solution

The fourth proportional to 7,571,142, 11,351,114.28 and 4,578,660.72 is: 6,864,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571,142 : 11,351,114.28 = 4,578,660.72 : x
  2. Step 2: Convert to fraction form
    7,571,142/11,351,114.28 = 4,578,660.72/x
  3. Step 3: Cross multiply
    7,571,142x = 11,351,114.28 × 4,578,660.72
  4. Step 4: Simplify right side
    7,571,142x = 51,972,901,082,067.08
  5. Step 5: Solve for x
    x = 51,972,901,082,067.08/7,571,142
  6. Step 6: Final answer
    x = 6,864,605.24

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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.