Home / 14,771,485.96-20,388,051.88-8,661,882.76

Finding the Fourth Proportional to 14,771,485.96, 20,388,051.88 and 8,661,882.76

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Solution

The fourth proportional to 14,771,485.96, 20,388,051.88 and 8,661,882.76 is: 11,955,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,485.96 : 20,388,051.88 = 8,661,882.76 : x
  2. Step 2: Convert to fraction form
    14,771,485.96/20,388,051.88 = 8,661,882.76/x
  3. Step 3: Cross multiply
    14,771,485.96x = 20,388,051.88 × 8,661,882.76
  4. Step 4: Simplify right side
    14,771,485.96x = 176,598,915,016,732.78
  5. Step 5: Solve for x
    x = 176,598,915,016,732.78/14,771,485.96
  6. Step 6: Final answer
    x = 11,955,392.68

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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.