Home / 18,361,743.28-25,339,138-10,212,981.28

Finding the Fourth Proportional to 18,361,743.28, 25,339,138 and 10,212,981.28

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Solution

The fourth proportional to 18,361,743.28, 25,339,138 and 10,212,981.28 is: 14,093,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,743.28 : 25,339,138 = 10,212,981.28 : x
  2. Step 2: Convert to fraction form
    18,361,743.28/25,339,138 = 10,212,981.28/x
  3. Step 3: Cross multiply
    18,361,743.28x = 25,339,138 × 10,212,981.28
  4. Step 4: Simplify right side
    18,361,743.28x = 258,788,142,045,336.62
  5. Step 5: Solve for x
    x = 258,788,142,045,336.62/18,361,743.28
  6. Step 6: Final answer
    x = 14,093,876.50

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1.5x scale

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.