Home / 21,142,305.72-29,175,602.22-11,484,306.36

Finding the Fourth Proportional to 21,142,305.72, 29,175,602.22 and 11,484,306.36

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Solution

The fourth proportional to 21,142,305.72, 29,175,602.22 and 11,484,306.36 is: 15,847,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,142,305.72 : 29,175,602.22 = 11,484,306.36 : x
  2. Step 2: Convert to fraction form
    21,142,305.72/29,175,602.22 = 11,484,306.36/x
  3. Step 3: Cross multiply
    21,142,305.72x = 29,175,602.22 × 11,484,306.36
  4. Step 4: Simplify right side
    21,142,305.72x = 335,061,554,131,976.06
  5. Step 5: Solve for x
    x = 335,061,554,131,976.06/21,142,305.72
  6. Step 6: Final answer
    x = 15,847,919.27

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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.