Home / 21,087,385.44-29,100,276.72-11,919,706.08

Finding the Fourth Proportional to 21,087,385.44, 29,100,276.72 and 11,919,706.08

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Solution

The fourth proportional to 21,087,385.44, 29,100,276.72 and 11,919,706.08 is: 16,449,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,087,385.44 : 29,100,276.72 = 11,919,706.08 : x
  2. Step 2: Convert to fraction form
    21,087,385.44/29,100,276.72 = 11,919,706.08/x
  3. Step 3: Cross multiply
    21,087,385.44x = 29,100,276.72 × 11,919,706.08
  4. Step 4: Simplify right side
    21,087,385.44x = 346,866,745,349,066.44
  5. Step 5: Solve for x
    x = 346,866,745,349,066.44/21,087,385.44
  6. Step 6: Final answer
    x = 16,449,016.23

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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.