Home / 12,904,635.88-19,370,405.46-5,721,214.48

Finding the Fourth Proportional to 12,904,635.88, 19,370,405.46 and 5,721,214.48

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Solution

The fourth proportional to 12,904,635.88, 19,370,405.46 and 5,721,214.48 is: 8,587,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,635.88 : 19,370,405.46 = 5,721,214.48 : x
  2. Step 2: Convert to fraction form
    12,904,635.88/19,370,405.46 = 5,721,214.48/x
  3. Step 3: Cross multiply
    12,904,635.88x = 19,370,405.46 × 5,721,214.48
  4. Step 4: Simplify right side
    12,904,635.88x = 110,822,244,201,223.08
  5. Step 5: Solve for x
    x = 110,822,244,201,223.08/12,904,635.88
  6. Step 6: Final answer
    x = 8,587,785.45

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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.