Home / 15,392,873.07-21,238,790.76-9,196,988.94

Finding the Fourth Proportional to 15,392,873.07, 21,238,790.76 and 9,196,988.94

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Solution

The fourth proportional to 15,392,873.07, 21,238,790.76 and 9,196,988.94 is: 12,689,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,873.07 : 21,238,790.76 = 9,196,988.94 : x
  2. Step 2: Convert to fraction form
    15,392,873.07/21,238,790.76 = 9,196,988.94/x
  3. Step 3: Cross multiply
    15,392,873.07x = 21,238,790.76 × 9,196,988.94
  4. Step 4: Simplify right side
    15,392,873.07x = 195,332,923,718,694.19
  5. Step 5: Solve for x
    x = 195,332,923,718,694.19/15,392,873.07
  6. Step 6: Final answer
    x = 12,689,828.78

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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.