Home / 18,684,481.60-28,026,722.40-18,264,577.60

Finding the Fourth Proportional to 18,684,481.60, 28,026,722.40 and 18,264,577.60

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Solution

The fourth proportional to 18,684,481.60, 28,026,722.40 and 18,264,577.60 is: 27,396,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,481.60 : 28,026,722.40 = 18,264,577.60 : x
  2. Step 2: Convert to fraction form
    18,684,481.60/28,026,722.40 = 18,264,577.60/x
  3. Step 3: Cross multiply
    18,684,481.60x = 28,026,722.40 × 18,264,577.60
  4. Step 4: Simplify right side
    18,684,481.60x = 511,896,246,148,458.25
  5. Step 5: Solve for x
    x = 511,896,246,148,458.25/18,684,481.60
  6. Step 6: Final answer
    x = 27,396,866.40

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1.5x scale

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.