Home / 36,628,029.99-54,870,215.40-21,242,998.53

Finding the Fourth Proportional to 36,628,029.99, 54,870,215.40 and 21,242,998.53

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Solution

The fourth proportional to 36,628,029.99, 54,870,215.40 and 21,242,998.53 is: 31,822,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628,029.99 : 54,870,215.40 = 21,242,998.53 : x
  2. Step 2: Convert to fraction form
    36,628,029.99/54,870,215.40 = 21,242,998.53/x
  3. Step 3: Cross multiply
    36,628,029.99x = 54,870,215.40 × 21,242,998.53
  4. Step 4: Simplify right side
    36,628,029.99x = 1,165,607,905,082,983.50
  5. Step 5: Solve for x
    x = 1,165,607,905,082,983.50/36,628,029.99
  6. Step 6: Final answer
    x = 31,822,839.10

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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.