Home / 12,912,249.13-17,818,688.48-7,111,570.62

Finding the Fourth Proportional to 12,912,249.13, 17,818,688.48 and 7,111,570.62

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Solution

The fourth proportional to 12,912,249.13, 17,818,688.48 and 7,111,570.62 is: 9,813,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,249.13 : 17,818,688.48 = 7,111,570.62 : x
  2. Step 2: Convert to fraction form
    12,912,249.13/17,818,688.48 = 7,111,570.62/x
  3. Step 3: Cross multiply
    12,912,249.13x = 17,818,688.48 × 7,111,570.62
  4. Step 4: Simplify right side
    12,912,249.13x = 126,718,861,481,300.47
  5. Step 5: Solve for x
    x = 126,718,861,481,300.47/12,912,249.13
  6. Step 6: Final answer
    x = 9,813,848.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.