Home / 7,175,263.76-10,765,763-2,915,765.36

Finding the Fourth Proportional to 7,175,263.76, 10,765,763 and 2,915,765.36

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Solution

The fourth proportional to 7,175,263.76, 10,765,763 and 2,915,765.36 is: 4,374,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,263.76 : 10,765,763 = 2,915,765.36 : x
  2. Step 2: Convert to fraction form
    7,175,263.76/10,765,763 = 2,915,765.36/x
  3. Step 3: Cross multiply
    7,175,263.76x = 10,765,763 × 2,915,765.36
  4. Step 4: Simplify right side
    7,175,263.76x = 31,390,438,829,369.68
  5. Step 5: Solve for x
    x = 31,390,438,829,369.68/7,175,263.76
  6. Step 6: Final answer
    x = 4,374,813.23

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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.