Home / 6,642,297.80-9,963,446.70-5,461,317.80

Finding the Fourth Proportional to 6,642,297.80, 9,963,446.70 and 5,461,317.80

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Solution

The fourth proportional to 6,642,297.80, 9,963,446.70 and 5,461,317.80 is: 8,191,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,297.80 : 9,963,446.70 = 5,461,317.80 : x
  2. Step 2: Convert to fraction form
    6,642,297.80/9,963,446.70 = 5,461,317.80/x
  3. Step 3: Cross multiply
    6,642,297.80x = 9,963,446.70 × 5,461,317.80
  4. Step 4: Simplify right side
    6,642,297.80x = 54,413,548,812,061.26
  5. Step 5: Solve for x
    x = 54,413,548,812,061.26/6,642,297.80
  6. Step 6: Final answer
    x = 8,191,976.70

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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.