Home / 12,888,553.68-19,336,865.51-4,258,717.63

Finding the Fourth Proportional to 12,888,553.68, 19,336,865.51 and 4,258,717.63

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Solution

The fourth proportional to 12,888,553.68, 19,336,865.51 and 4,258,717.63 is: 6,389,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,553.68 : 19,336,865.51 = 4,258,717.63 : x
  2. Step 2: Convert to fraction form
    12,888,553.68/19,336,865.51 = 4,258,717.63/x
  3. Step 3: Cross multiply
    12,888,553.68x = 19,336,865.51 × 4,258,717.63
  4. Step 4: Simplify right side
    12,888,553.68x = 82,350,250,018,680.58
  5. Step 5: Solve for x
    x = 82,350,250,018,680.58/12,888,553.68
  6. Step 6: Final answer
    x = 6,389,409.71

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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.