Home / 39,880,118.46-55,038,942.83-23,138,545.98

Finding the Fourth Proportional to 39,880,118.46, 55,038,942.83 and 23,138,545.98

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Solution

The fourth proportional to 39,880,118.46, 55,038,942.83 and 23,138,545.98 is: 31,933,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880,118.46 : 55,038,942.83 = 23,138,545.98 : x
  2. Step 2: Convert to fraction form
    39,880,118.46/55,038,942.83 = 23,138,545.98/x
  3. Step 3: Cross multiply
    39,880,118.46x = 55,038,942.83 × 23,138,545.98
  4. Step 4: Simplify right side
    39,880,118.46x = 1,273,521,109,246,853.75
  5. Step 5: Solve for x
    x = 1,273,521,109,246,853.75/39,880,118.46
  6. Step 6: Final answer
    x = 31,933,734.36

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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.