Home / 19,067,485.52-28,562,933.96-8,817,978.80

Finding the Fourth Proportional to 19,067,485.52, 28,562,933.96 and 8,817,978.80

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Solution

The fourth proportional to 19,067,485.52, 28,562,933.96 and 8,817,978.80 is: 13,209,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067,485.52 : 28,562,933.96 = 8,817,978.80 : x
  2. Step 2: Convert to fraction form
    19,067,485.52/28,562,933.96 = 8,817,978.80/x
  3. Step 3: Cross multiply
    19,067,485.52x = 28,562,933.96 × 8,817,978.80
  4. Step 4: Simplify right side
    19,067,485.52x = 251,867,346,125,080.06
  5. Step 5: Solve for x
    x = 251,867,346,125,080.06/19,067,485.52
  6. Step 6: Final answer
    x = 13,209,258.55

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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.