Home / 31,769,070.57-47,653,599.38-18,993,232.17

Finding the Fourth Proportional to 31,769,070.57, 47,653,599.38 and 18,993,232.17

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Solution

The fourth proportional to 31,769,070.57, 47,653,599.38 and 18,993,232.17 is: 28,489,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769,070.57 : 47,653,599.38 = 18,993,232.17 : x
  2. Step 2: Convert to fraction form
    31,769,070.57/47,653,599.38 = 18,993,232.17/x
  3. Step 3: Cross multiply
    31,769,070.57x = 47,653,599.38 × 18,993,232.17
  4. Step 4: Simplify right side
    31,769,070.57x = 905,095,876,665,542
  5. Step 5: Solve for x
    x = 905,095,876,665,542/31,769,070.57
  6. Step 6: Final answer
    x = 28,489,844.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.