Home / 21,376,771.36-29,499,153.87-11,587,005.36

Finding the Fourth Proportional to 21,376,771.36, 29,499,153.87 and 11,587,005.36

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Solution

The fourth proportional to 21,376,771.36, 29,499,153.87 and 11,587,005.36 is: 15,989,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,771.36 : 29,499,153.87 = 11,587,005.36 : x
  2. Step 2: Convert to fraction form
    21,376,771.36/29,499,153.87 = 11,587,005.36/x
  3. Step 3: Cross multiply
    21,376,771.36x = 29,499,153.87 × 11,587,005.36
  4. Step 4: Simplify right side
    21,376,771.36x = 341,806,853,815,797.31
  5. Step 5: Solve for x
    x = 341,806,853,815,797.31/21,376,771.36
  6. Step 6: Final answer
    x = 15,989,638.85

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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.