Home / 21,542,982.61-29,729,282.08-11,753,427.66

Finding the Fourth Proportional to 21,542,982.61, 29,729,282.08 and 11,753,427.66

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Solution

The fourth proportional to 21,542,982.61, 29,729,282.08 and 11,753,427.66 is: 16,219,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542,982.61 : 29,729,282.08 = 11,753,427.66 : x
  2. Step 2: Convert to fraction form
    21,542,982.61/29,729,282.08 = 11,753,427.66/x
  3. Step 3: Cross multiply
    21,542,982.61x = 29,729,282.08 × 11,753,427.66
  4. Step 4: Simplify right side
    21,542,982.61x = 349,420,966,392,461.50
  5. Step 5: Solve for x
    x = 349,420,966,392,461.50/21,542,982.61
  6. Step 6: Final answer
    x = 16,219,711.67

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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.