Home / 12,952,091.80-19,428,137.70-6,218,882.20

Finding the Fourth Proportional to 12,952,091.80, 19,428,137.70 and 6,218,882.20

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Solution

The fourth proportional to 12,952,091.80, 19,428,137.70 and 6,218,882.20 is: 9,328,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,091.80 : 19,428,137.70 = 6,218,882.20 : x
  2. Step 2: Convert to fraction form
    12,952,091.80/19,428,137.70 = 6,218,882.20/x
  3. Step 3: Cross multiply
    12,952,091.80x = 19,428,137.70 × 6,218,882.20
  4. Step 4: Simplify right side
    12,952,091.80x = 120,821,299,721,678.94
  5. Step 5: Solve for x
    x = 120,821,299,721,678.94/12,952,091.80
  6. Step 6: Final answer
    x = 9,328,323.30

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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.