Home / 15,289,576.88-21,099,618.98-8,414,058.94

Finding the Fourth Proportional to 15,289,576.88, 21,099,618.98 and 8,414,058.94

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Solution

The fourth proportional to 15,289,576.88, 21,099,618.98 and 8,414,058.94 is: 11,611,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,576.88 : 21,099,618.98 = 8,414,058.94 : x
  2. Step 2: Convert to fraction form
    15,289,576.88/21,099,618.98 = 8,414,058.94/x
  3. Step 3: Cross multiply
    15,289,576.88x = 21,099,618.98 × 8,414,058.94
  4. Step 4: Simplify right side
    15,289,576.88x = 177,533,437,709,262.69
  5. Step 5: Solve for x
    x = 177,533,437,709,262.69/15,289,576.88
  6. Step 6: Final answer
    x = 11,611,402.93

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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.