Home / 12,904,628.80-19,356,943.20-9,056,027.20

Finding the Fourth Proportional to 12,904,628.80, 19,356,943.20 and 9,056,027.20

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Solution

The fourth proportional to 12,904,628.80, 19,356,943.20 and 9,056,027.20 is: 13,584,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,628.80 : 19,356,943.20 = 9,056,027.20 : x
  2. Step 2: Convert to fraction form
    12,904,628.80/19,356,943.20 = 9,056,027.20/x
  3. Step 3: Cross multiply
    12,904,628.80x = 19,356,943.20 × 9,056,027.20
  4. Step 4: Simplify right side
    12,904,628.80x = 175,297,004,128,055.03
  5. Step 5: Solve for x
    x = 175,297,004,128,055.03/12,904,628.80
  6. Step 6: Final answer
    x = 13,584,040.80

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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.