Home / 10,303,115.70-15,455,009.34-5,182,754.97

Finding the Fourth Proportional to 10,303,115.70, 15,455,009.34 and 5,182,754.97

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Solution

The fourth proportional to 10,303,115.70, 15,455,009.34 and 5,182,754.97 is: 7,774,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,115.70 : 15,455,009.34 = 5,182,754.97 : x
  2. Step 2: Convert to fraction form
    10,303,115.70/15,455,009.34 = 5,182,754.97/x
  3. Step 3: Cross multiply
    10,303,115.70x = 15,455,009.34 × 5,182,754.97
  4. Step 4: Simplify right side
    10,303,115.70x = 80,099,526,468,281.42
  5. Step 5: Solve for x
    x = 80,099,526,468,281.42/10,303,115.70
  6. Step 6: Final answer
    x = 7,774,301.37

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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.