Home / 30,946,699.79-42,707,406.82-17,007,801.49

Finding the Fourth Proportional to 30,946,699.79, 42,707,406.82 and 17,007,801.49

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Solution

The fourth proportional to 30,946,699.79, 42,707,406.82 and 17,007,801.49 is: 23,471,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946,699.79 : 42,707,406.82 = 17,007,801.49 : x
  2. Step 2: Convert to fraction form
    30,946,699.79/42,707,406.82 = 17,007,801.49/x
  3. Step 3: Cross multiply
    30,946,699.79x = 42,707,406.82 × 17,007,801.49
  4. Step 4: Simplify right side
    30,946,699.79x = 726,359,097,262,193
  5. Step 5: Solve for x
    x = 726,359,097,262,193/30,946,699.79
  6. Step 6: Final answer
    x = 23,471,294.26

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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.