Home / 30,755,789.56-42,441,645.54-16,816,881.88

Finding the Fourth Proportional to 30,755,789.56, 42,441,645.54 and 16,816,881.88

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Solution

The fourth proportional to 30,755,789.56, 42,441,645.54 and 16,816,881.88 is: 23,206,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,789.56 : 42,441,645.54 = 16,816,881.88 : x
  2. Step 2: Convert to fraction form
    30,755,789.56/42,441,645.54 = 16,816,881.88/x
  3. Step 3: Cross multiply
    30,755,789.56x = 42,441,645.54 × 16,816,881.88
  4. Step 4: Simplify right side
    30,755,789.56x = 713,736,139,839,008.75
  5. Step 5: Solve for x
    x = 713,736,139,839,008.75/30,755,789.56
  6. Step 6: Final answer
    x = 23,206,562.08

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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.