Home / 8,484,128.19-12,728,185.47-2,804,352.48

Finding the Fourth Proportional to 8,484,128.19, 12,728,185.47 and 2,804,352.48

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Solution

The fourth proportional to 8,484,128.19, 12,728,185.47 and 2,804,352.48 is: 4,207,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484,128.19 : 12,728,185.47 = 2,804,352.48 : x
  2. Step 2: Convert to fraction form
    8,484,128.19/12,728,185.47 = 2,804,352.48/x
  3. Step 3: Cross multiply
    8,484,128.19x = 12,728,185.47 × 2,804,352.48
  4. Step 4: Simplify right side
    8,484,128.19x = 35,694,318,488,694.47
  5. Step 5: Solve for x
    x = 35,694,318,488,694.47/8,484,128.19
  6. Step 6: Final answer
    x = 4,207,187.55

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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.