Home / 30,889,721.70-46,334,582.55-18,135,137.70

Finding the Fourth Proportional to 30,889,721.70, 46,334,582.55 and 18,135,137.70

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Solution

The fourth proportional to 30,889,721.70, 46,334,582.55 and 18,135,137.70 is: 27,202,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889,721.70 : 46,334,582.55 = 18,135,137.70 : x
  2. Step 2: Convert to fraction form
    30,889,721.70/46,334,582.55 = 18,135,137.70/x
  3. Step 3: Cross multiply
    30,889,721.70x = 46,334,582.55 × 18,135,137.70
  4. Step 4: Simplify right side
    30,889,721.70x = 840,284,034,816,267
  5. Step 5: Solve for x
    x = 840,284,034,816,267/30,889,721.70
  6. Step 6: Final answer
    x = 27,202,706.55

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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.