Home / 12,789,331.56-19,197,653.94-5,506,398

Finding the Fourth Proportional to 12,789,331.56, 19,197,653.94 and 5,506,398

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Solution

The fourth proportional to 12,789,331.56, 19,197,653.94 and 5,506,398 is: 8,265,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,331.56 : 19,197,653.94 = 5,506,398 : x
  2. Step 2: Convert to fraction form
    12,789,331.56/19,197,653.94 = 5,506,398/x
  3. Step 3: Cross multiply
    12,789,331.56x = 19,197,653.94 × 5,506,398
  4. Step 4: Simplify right side
    12,789,331.56x = 105,709,923,259,908.12
  5. Step 5: Solve for x
    x = 105,709,923,259,908.12/12,789,331.56
  6. Step 6: Final answer
    x = 8,265,476.80

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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.