Home / 12,643,747-17,436,527.34-8,392,797.22

Finding the Fourth Proportional to 12,643,747, 17,436,527.34 and 8,392,797.22

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Solution

The fourth proportional to 12,643,747, 17,436,527.34 and 8,392,797.22 is: 11,574,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,747 : 17,436,527.34 = 8,392,797.22 : x
  2. Step 2: Convert to fraction form
    12,643,747/17,436,527.34 = 8,392,797.22/x
  3. Step 3: Cross multiply
    12,643,747x = 17,436,527.34 × 8,392,797.22
  4. Step 4: Simplify right side
    12,643,747x = 146,341,238,185,606
  5. Step 5: Solve for x
    x = 146,341,238,185,606/12,643,747
  6. Step 6: Final answer
    x = 11,574,198.55

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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.