Home / 7,257,701.07-10,015,628.16-3,950,007.55

Finding the Fourth Proportional to 7,257,701.07, 10,015,628.16 and 3,950,007.55

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Solution

The fourth proportional to 7,257,701.07, 10,015,628.16 and 3,950,007.55 is: 5,451,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257,701.07 : 10,015,628.16 = 3,950,007.55 : x
  2. Step 2: Convert to fraction form
    7,257,701.07/10,015,628.16 = 3,950,007.55/x
  3. Step 3: Cross multiply
    7,257,701.07x = 10,015,628.16 × 3,950,007.55
  4. Step 4: Simplify right side
    7,257,701.07x = 39,561,806,849,992.61
  5. Step 5: Solve for x
    x = 39,561,806,849,992.61/7,257,701.07
  6. Step 6: Final answer
    x = 5,451,010.79

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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.