Home / 18,594,648.78-25,663,660.83-15,492,252.12

Finding the Fourth Proportional to 18,594,648.78, 25,663,660.83 and 15,492,252.12

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Solution

The fourth proportional to 18,594,648.78, 25,663,660.83 and 15,492,252.12 is: 21,381,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,648.78 : 25,663,660.83 = 15,492,252.12 : x
  2. Step 2: Convert to fraction form
    18,594,648.78/25,663,660.83 = 15,492,252.12/x
  3. Step 3: Cross multiply
    18,594,648.78x = 25,663,660.83 × 15,492,252.12
  4. Step 4: Simplify right side
    18,594,648.78x = 397,587,903,900,528.44
  5. Step 5: Solve for x
    x = 397,587,903,900,528.44/18,594,648.78
  6. Step 6: Final answer
    x = 21,381,845.31

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Double scale
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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.