Home / 9,205,747.68-12,704,031.42-5,075,786.81

Finding the Fourth Proportional to 9,205,747.68, 12,704,031.42 and 5,075,786.81

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Solution

The fourth proportional to 9,205,747.68, 12,704,031.42 and 5,075,786.81 is: 7,004,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,747.68 : 12,704,031.42 = 5,075,786.81 : x
  2. Step 2: Convert to fraction form
    9,205,747.68/12,704,031.42 = 5,075,786.81/x
  3. Step 3: Cross multiply
    9,205,747.68x = 12,704,031.42 × 5,075,786.81
  4. Step 4: Simplify right side
    9,205,747.68x = 64,482,955,115,461.56
  5. Step 5: Solve for x
    x = 64,482,955,115,461.56/9,205,747.68
  6. Step 6: Final answer
    x = 7,004,640.73

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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.