Home / 5,175,361.55-7,143,215.99-3,216,718.85

Finding the Fourth Proportional to 5,175,361.55, 7,143,215.99 and 3,216,718.85

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Solution

The fourth proportional to 5,175,361.55, 7,143,215.99 and 3,216,718.85 is: 4,439,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,361.55 : 7,143,215.99 = 3,216,718.85 : x
  2. Step 2: Convert to fraction form
    5,175,361.55/7,143,215.99 = 3,216,718.85/x
  3. Step 3: Cross multiply
    5,175,361.55x = 7,143,215.99 × 3,216,718.85
  4. Step 4: Simplify right side
    5,175,361.55x = 22,977,717,472,854.74
  5. Step 5: Solve for x
    x = 22,977,717,472,854.74/5,175,361.55
  6. Step 6: Final answer
    x = 4,439,828.45

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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.