Home / 30,752,141.91-42,438,841.57-17,001,991.77

Finding the Fourth Proportional to 30,752,141.91, 42,438,841.57 and 17,001,991.77

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Solution

The fourth proportional to 30,752,141.91, 42,438,841.57 and 17,001,991.77 is: 23,463,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,141.91 : 42,438,841.57 = 17,001,991.77 : x
  2. Step 2: Convert to fraction form
    30,752,141.91/42,438,841.57 = 17,001,991.77/x
  3. Step 3: Cross multiply
    30,752,141.91x = 42,438,841.57 × 17,001,991.77
  4. Step 4: Simplify right side
    30,752,141.91x = 721,544,834,867,944.38
  5. Step 5: Solve for x
    x = 721,544,834,867,944.38/30,752,141.91
  6. Step 6: Final answer
    x = 23,463,238.34

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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.