Home / 10,278,236.72-15,400,535.16-6,222,431.72

Finding the Fourth Proportional to 10,278,236.72, 15,400,535.16 and 6,222,431.72

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Solution

The fourth proportional to 10,278,236.72, 15,400,535.16 and 6,222,431.72 is: 9,323,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,236.72 : 15,400,535.16 = 6,222,431.72 : x
  2. Step 2: Convert to fraction form
    10,278,236.72/15,400,535.16 = 6,222,431.72/x
  3. Step 3: Cross multiply
    10,278,236.72x = 15,400,535.16 × 6,222,431.72
  4. Step 4: Simplify right side
    10,278,236.72x = 95,828,778,484,559.27
  5. Step 5: Solve for x
    x = 95,828,778,484,559.27/10,278,236.72
  6. Step 6: Final answer
    x = 9,323,464.82

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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.