Home / 29,509,781.49-40,709,599.85-19,192,740.21

Finding the Fourth Proportional to 29,509,781.49, 40,709,599.85 and 19,192,740.21

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Solution

The fourth proportional to 29,509,781.49, 40,709,599.85 and 19,192,740.21 is: 26,476,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509,781.49 : 40,709,599.85 = 19,192,740.21 : x
  2. Step 2: Convert to fraction form
    29,509,781.49/40,709,599.85 = 19,192,740.21/x
  3. Step 3: Cross multiply
    29,509,781.49x = 40,709,599.85 × 19,192,740.21
  4. Step 4: Simplify right side
    29,509,781.49x = 781,328,774,022,086.88
  5. Step 5: Solve for x
    x = 781,328,774,022,086.88/29,509,781.49
  6. Step 6: Final answer
    x = 26,476,942.04

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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.