Home / 21,476,396.57-29,637,432.09-11,818,604.57

Finding the Fourth Proportional to 21,476,396.57, 29,637,432.09 and 11,818,604.57

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Solution

The fourth proportional to 21,476,396.57, 29,637,432.09 and 11,818,604.57 is: 16,309,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,396.57 : 29,637,432.09 = 11,818,604.57 : x
  2. Step 2: Convert to fraction form
    21,476,396.57/29,637,432.09 = 11,818,604.57/x
  3. Step 3: Cross multiply
    21,476,396.57x = 29,637,432.09 × 11,818,604.57
  4. Step 4: Simplify right side
    21,476,396.57x = 350,273,090,193,751.50
  5. Step 5: Solve for x
    x = 350,273,090,193,751.50/21,476,396.57
  6. Step 6: Final answer
    x = 16,309,676.96

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1.5x scale

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.