Home / 15,534,516.72-21,446,828.22-13,810,876.44

Finding the Fourth Proportional to 15,534,516.72, 21,446,828.22 and 13,810,876.44

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Solution

The fourth proportional to 15,534,516.72, 21,446,828.22 and 13,810,876.44 is: 19,067,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534,516.72 : 21,446,828.22 = 13,810,876.44 : x
  2. Step 2: Convert to fraction form
    15,534,516.72/21,446,828.22 = 13,810,876.44/x
  3. Step 3: Cross multiply
    15,534,516.72x = 21,446,828.22 × 13,810,876.44
  4. Step 4: Simplify right side
    15,534,516.72x = 296,199,494,576,325.12
  5. Step 5: Solve for x
    x = 296,199,494,576,325.12/15,534,516.72
  6. Step 6: Final answer
    x = 19,067,184.38

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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.