Home / 9,147,000.45-12,622,878.66-5,017,065.21

Finding the Fourth Proportional to 9,147,000.45, 12,622,878.66 and 5,017,065.21

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Solution

The fourth proportional to 9,147,000.45, 12,622,878.66 and 5,017,065.21 is: 6,923,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147,000.45 : 12,622,878.66 = 5,017,065.21 : x
  2. Step 2: Convert to fraction form
    9,147,000.45/12,622,878.66 = 5,017,065.21/x
  3. Step 3: Cross multiply
    9,147,000.45x = 12,622,878.66 × 5,017,065.21
  4. Step 4: Simplify right side
    9,147,000.45x = 63,329,805,375,137.42
  5. Step 5: Solve for x
    x = 63,329,805,375,137.42/9,147,000.45
  6. Step 6: Final answer
    x = 6,923,559.88

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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.