Home / 7,243,536.10-10,866,616.35-3,640,234.90

Finding the Fourth Proportional to 7,243,536.10, 10,866,616.35 and 3,640,234.90

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Solution

The fourth proportional to 7,243,536.10, 10,866,616.35 and 3,640,234.90 is: 5,461,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,536.10 : 10,866,616.35 = 3,640,234.90 : x
  2. Step 2: Convert to fraction form
    7,243,536.10/10,866,616.35 = 3,640,234.90/x
  3. Step 3: Cross multiply
    7,243,536.10x = 10,866,616.35 × 3,640,234.90
  4. Step 4: Simplify right side
    7,243,536.10x = 39,557,036,082,180.61
  5. Step 5: Solve for x
    x = 39,557,036,082,180.61/7,243,536.10
  6. Step 6: Final answer
    x = 5,461,011.80

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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.