Home / 12,783,750.96-17,641,471.50-6,982,536.36

Finding the Fourth Proportional to 12,783,750.96, 17,641,471.50 and 6,982,536.36

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Solution

The fourth proportional to 12,783,750.96, 17,641,471.50 and 6,982,536.36 is: 9,635,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,750.96 : 17,641,471.50 = 6,982,536.36 : x
  2. Step 2: Convert to fraction form
    12,783,750.96/17,641,471.50 = 6,982,536.36/x
  3. Step 3: Cross multiply
    12,783,750.96x = 17,641,471.50 × 6,982,536.36
  4. Step 4: Simplify right side
    12,783,750.96x = 123,182,216,192,653.75
  5. Step 5: Solve for x
    x = 123,182,216,192,653.75/12,783,750.96
  6. Step 6: Final answer
    x = 9,635,842.92

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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.