Home / 21,695,079.36-29,939,576.94-11,906,434.29

Finding the Fourth Proportional to 21,695,079.36, 29,939,576.94 and 11,906,434.29

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Solution

The fourth proportional to 21,695,079.36, 29,939,576.94 and 11,906,434.29 is: 16,431,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,079.36 : 29,939,576.94 = 11,906,434.29 : x
  2. Step 2: Convert to fraction form
    21,695,079.36/29,939,576.94 = 11,906,434.29/x
  3. Step 3: Cross multiply
    21,695,079.36x = 29,939,576.94 × 11,906,434.29
  4. Step 4: Simplify right side
    21,695,079.36x = 356,473,605,506,509.25
  5. Step 5: Solve for x
    x = 356,473,605,506,509.25/21,695,079.36
  6. Step 6: Final answer
    x = 16,431,080.97

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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.