Home / 12,475,912.70-17,209,574.54-7,510,900.56

Finding the Fourth Proportional to 12,475,912.70, 17,209,574.54 and 7,510,900.56

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Solution

The fourth proportional to 12,475,912.70, 17,209,574.54 and 7,510,900.56 is: 10,360,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,912.70 : 17,209,574.54 = 7,510,900.56 : x
  2. Step 2: Convert to fraction form
    12,475,912.70/17,209,574.54 = 7,510,900.56/x
  3. Step 3: Cross multiply
    12,475,912.70x = 17,209,574.54 × 7,510,900.56
  4. Step 4: Simplify right side
    12,475,912.70x = 129,259,403,049,847.73
  5. Step 5: Solve for x
    x = 129,259,403,049,847.73/12,475,912.70
  6. Step 6: Final answer
    x = 10,360,717.18

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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.