Home / 10,121,166.80-15,185,249.40-9,771,246.80

Finding the Fourth Proportional to 10,121,166.80, 15,185,249.40 and 9,771,246.80

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Solution

The fourth proportional to 10,121,166.80, 15,185,249.40 and 9,771,246.80 is: 14,660,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,166.80 : 15,185,249.40 = 9,771,246.80 : x
  2. Step 2: Convert to fraction form
    10,121,166.80/15,185,249.40 = 9,771,246.80/x
  3. Step 3: Cross multiply
    10,121,166.80x = 15,185,249.40 × 9,771,246.80
  4. Step 4: Simplify right side
    10,121,166.80x = 148,378,819,606,951.94
  5. Step 5: Solve for x
    x = 148,378,819,606,951.94/10,121,166.80
  6. Step 6: Final answer
    x = 14,660,248.42

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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.