Home / 12,624,821.70-17,422,596.09-7,729,950.66

Finding the Fourth Proportional to 12,624,821.70, 17,422,596.09 and 7,729,950.66

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Solution

The fourth proportional to 12,624,821.70, 17,422,596.09 and 7,729,950.66 is: 10,667,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,821.70 : 17,422,596.09 = 7,729,950.66 : x
  2. Step 2: Convert to fraction form
    12,624,821.70/17,422,596.09 = 7,729,950.66/x
  3. Step 3: Cross multiply
    12,624,821.70x = 17,422,596.09 × 7,729,950.66
  4. Step 4: Simplify right side
    12,624,821.70x = 134,675,808,144,808.92
  5. Step 5: Solve for x
    x = 134,675,808,144,808.92/12,624,821.70
  6. Step 6: Final answer
    x = 10,667,541.40

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1.5x scale

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.