Home / 15,904,636.21-21,950,179.47-9,628,622.80

Finding the Fourth Proportional to 15,904,636.21, 21,950,179.47 and 9,628,622.80

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Solution

The fourth proportional to 15,904,636.21, 21,950,179.47 and 9,628,622.80 is: 13,288,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904,636.21 : 21,950,179.47 = 9,628,622.80 : x
  2. Step 2: Convert to fraction form
    15,904,636.21/21,950,179.47 = 9,628,622.80/x
  3. Step 3: Cross multiply
    15,904,636.21x = 21,950,179.47 × 9,628,622.80
  4. Step 4: Simplify right side
    15,904,636.21x = 211,349,998,508,933.91
  5. Step 5: Solve for x
    x = 211,349,998,508,933.91/15,904,636.21
  6. Step 6: Final answer
    x = 13,288,577.98

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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.