Home / 7,571,145-11,351,118.78-4,578,663.72

Finding the Fourth Proportional to 7,571,145, 11,351,118.78 and 4,578,663.72

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Solution

The fourth proportional to 7,571,145, 11,351,118.78 and 4,578,663.72 is: 6,864,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571,145 : 11,351,118.78 = 4,578,663.72 : x
  2. Step 2: Convert to fraction form
    7,571,145/11,351,118.78 = 4,578,663.72/x
  3. Step 3: Cross multiply
    7,571,145x = 11,351,118.78 × 4,578,663.72
  4. Step 4: Simplify right side
    7,571,145x = 51,972,955,739,396.66
  5. Step 5: Solve for x
    x = 51,972,955,739,396.66/7,571,145
  6. Step 6: Final answer
    x = 6,864,609.74

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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.