Home / 15,289,576.74-21,099,618.81-8,414,058.81

Finding the Fourth Proportional to 15,289,576.74, 21,099,618.81 and 8,414,058.81

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Solution

The fourth proportional to 15,289,576.74, 21,099,618.81 and 8,414,058.81 is: 11,611,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,576.74 : 21,099,618.81 = 8,414,058.81 : x
  2. Step 2: Convert to fraction form
    15,289,576.74/21,099,618.81 = 8,414,058.81/x
  3. Step 3: Cross multiply
    15,289,576.74x = 21,099,618.81 × 8,414,058.81
  4. Step 4: Simplify right side
    15,289,576.74x = 177,533,433,535,922.22
  5. Step 5: Solve for x
    x = 177,533,433,535,922.22/15,289,576.74
  6. Step 6: Final answer
    x = 11,611,402.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.