Home / 15,904,635.21-21,950,178.09-9,628,621.80

Finding the Fourth Proportional to 15,904,635.21, 21,950,178.09 and 9,628,621.80

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Solution

The fourth proportional to 15,904,635.21, 21,950,178.09 and 9,628,621.80 is: 13,288,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904,635.21 : 21,950,178.09 = 9,628,621.80 : x
  2. Step 2: Convert to fraction form
    15,904,635.21/21,950,178.09 = 9,628,621.80/x
  3. Step 3: Cross multiply
    15,904,635.21x = 21,950,178.09 × 9,628,621.80
  4. Step 4: Simplify right side
    15,904,635.21x = 211,349,963,271,256.38
  5. Step 5: Solve for x
    x = 211,349,963,271,256.38/15,904,635.21
  6. Step 6: Final answer
    x = 13,288,576.60

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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.