Home / 7,175,262.76-10,765,761.50-2,915,764.36

Finding the Fourth Proportional to 7,175,262.76, 10,765,761.50 and 2,915,764.36

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Solution

The fourth proportional to 7,175,262.76, 10,765,761.50 and 2,915,764.36 is: 4,374,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,262.76 : 10,765,761.50 = 2,915,764.36 : x
  2. Step 2: Convert to fraction form
    7,175,262.76/10,765,761.50 = 2,915,764.36/x
  3. Step 3: Cross multiply
    7,175,262.76x = 10,765,761.50 × 2,915,764.36
  4. Step 4: Simplify right side
    7,175,262.76x = 31,390,423,689,960.14
  5. Step 5: Solve for x
    x = 31,390,423,689,960.14/7,175,262.76
  6. Step 6: Final answer
    x = 4,374,811.73

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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.