Home / 14,913,036.78-20,579,668.05-8,633,828.90

Finding the Fourth Proportional to 14,913,036.78, 20,579,668.05 and 8,633,828.90

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Solution

The fourth proportional to 14,913,036.78, 20,579,668.05 and 8,633,828.90 is: 11,914,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913,036.78 : 20,579,668.05 = 8,633,828.90 : x
  2. Step 2: Convert to fraction form
    14,913,036.78/20,579,668.05 = 8,633,828.90/x
  3. Step 3: Cross multiply
    14,913,036.78x = 20,579,668.05 × 8,633,828.90
  4. Step 4: Simplify right side
    14,913,036.78x = 177,681,332,846,322.69
  5. Step 5: Solve for x
    x = 177,681,332,846,322.69/14,913,036.78
  6. Step 6: Final answer
    x = 11,914,497.06

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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.