Home / 7,170,732.63-9,895,482.21-3,907,573.92

Finding the Fourth Proportional to 7,170,732.63, 9,895,482.21 and 3,907,573.92

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Solution

The fourth proportional to 7,170,732.63, 9,895,482.21 and 3,907,573.92 is: 5,392,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,732.63 : 9,895,482.21 = 3,907,573.92 : x
  2. Step 2: Convert to fraction form
    7,170,732.63/9,895,482.21 = 3,907,573.92/x
  3. Step 3: Cross multiply
    7,170,732.63x = 9,895,482.21 × 3,907,573.92
  4. Step 4: Simplify right side
    7,170,732.63x = 38,667,328,209,619.97
  5. Step 5: Solve for x
    x = 38,667,328,209,619.97/7,170,732.63
  6. Step 6: Final answer
    x = 5,392,381.81

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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.