Home / 13,262,404.80-19,904,104.80-5,179,252.80

Finding the Fourth Proportional to 13,262,404.80, 19,904,104.80 and 5,179,252.80

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Solution

The fourth proportional to 13,262,404.80, 19,904,104.80 and 5,179,252.80 is: 7,772,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,404.80 : 19,904,104.80 = 5,179,252.80 : x
  2. Step 2: Convert to fraction form
    13,262,404.80/19,904,104.80 = 5,179,252.80/x
  3. Step 3: Cross multiply
    13,262,404.80x = 19,904,104.80 × 5,179,252.80
  4. Step 4: Simplify right side
    13,262,404.80x = 103,088,390,516,893.44
  5. Step 5: Solve for x
    x = 103,088,390,516,893.44/13,262,404.80
  6. Step 6: Final answer
    x = 7,772,978.74

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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.