Home / 21,652,679.61-29,880,697.17-11,863,494.66

Finding the Fourth Proportional to 21,652,679.61, 29,880,697.17 and 11,863,494.66

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Solution

The fourth proportional to 21,652,679.61, 29,880,697.17 and 11,863,494.66 is: 16,371,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,679.61 : 29,880,697.17 = 11,863,494.66 : x
  2. Step 2: Convert to fraction form
    21,652,679.61/29,880,697.17 = 11,863,494.66/x
  3. Step 3: Cross multiply
    21,652,679.61x = 29,880,697.17 × 11,863,494.66
  4. Step 4: Simplify right side
    21,652,679.61x = 354,489,491,313,372.12
  5. Step 5: Solve for x
    x = 354,489,491,313,372.12/21,652,679.61
  6. Step 6: Final answer
    x = 16,371,622.25

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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.