Home / 11,479,125-15,841,911.24-6,322,484.64

Finding the Fourth Proportional to 11,479,125, 15,841,911.24 and 6,322,484.64

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Solution

The fourth proportional to 11,479,125, 15,841,911.24 and 6,322,484.64 is: 8,725,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479,125 : 15,841,911.24 = 6,322,484.64 : x
  2. Step 2: Convert to fraction form
    11,479,125/15,841,911.24 = 6,322,484.64/x
  3. Step 3: Cross multiply
    11,479,125x = 15,841,911.24 × 6,322,484.64
  4. Step 4: Simplify right side
    11,479,125x = 100,160,240,483,143.34
  5. Step 5: Solve for x
    x = 100,160,240,483,143.34/11,479,125
  6. Step 6: Final answer
    x = 8,725,424.67

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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.