Home / 51,549,721.93-71,138,116.13-28,028,258.36

Finding the Fourth Proportional to 51,549,721.93, 71,138,116.13 and 28,028,258.36

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Solution

The fourth proportional to 51,549,721.93, 71,138,116.13 and 28,028,258.36 is: 38,678,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549,721.93 : 71,138,116.13 = 28,028,258.36 : x
  2. Step 2: Convert to fraction form
    51,549,721.93/71,138,116.13 = 28,028,258.36/x
  3. Step 3: Cross multiply
    51,549,721.93x = 71,138,116.13 × 28,028,258.36
  4. Step 4: Simplify right side
    51,549,721.93x = 1,993,877,498,135,323.25
  5. Step 5: Solve for x
    x = 1,993,877,498,135,323.25/51,549,721.93
  6. Step 6: Final answer
    x = 38,678,724.61

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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.