Home / 10,050,868.21-15,077,983.91-7,891,806.22

Finding the Fourth Proportional to 10,050,868.21, 15,077,983.91 and 7,891,806.22

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Solution

The fourth proportional to 10,050,868.21, 15,077,983.91 and 7,891,806.22 is: 11,839,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050,868.21 : 15,077,983.91 = 7,891,806.22 : x
  2. Step 2: Convert to fraction form
    10,050,868.21/15,077,983.91 = 7,891,806.22/x
  3. Step 3: Cross multiply
    10,050,868.21x = 15,077,983.91 × 7,891,806.22
  4. Step 4: Simplify right side
    10,050,868.21x = 118,992,527,205,997.92
  5. Step 5: Solve for x
    x = 118,992,527,205,997.92/10,050,868.21
  6. Step 6: Final answer
    x = 11,839,029.70

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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.