Home / 30,755,791.56-42,441,648.30-16,816,883.88

Finding the Fourth Proportional to 30,755,791.56, 42,441,648.30 and 16,816,883.88

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Solution

The fourth proportional to 30,755,791.56, 42,441,648.30 and 16,816,883.88 is: 23,206,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,791.56 : 42,441,648.30 = 16,816,883.88 : x
  2. Step 2: Convert to fraction form
    30,755,791.56/42,441,648.30 = 16,816,883.88/x
  3. Step 3: Cross multiply
    30,755,791.56x = 42,441,648.30 × 16,816,883.88
  4. Step 4: Simplify right side
    30,755,791.56x = 713,736,271,136,899.25
  5. Step 5: Solve for x
    x = 713,736,271,136,899.25/30,755,791.56
  6. Step 6: Final answer
    x = 23,206,564.84

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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.