Home / 12,287,718.60-18,431,577.90-6,619,014.60

Finding the Fourth Proportional to 12,287,718.60, 18,431,577.90 and 6,619,014.60

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Solution

The fourth proportional to 12,287,718.60, 18,431,577.90 and 6,619,014.60 is: 9,928,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,718.60 : 18,431,577.90 = 6,619,014.60 : x
  2. Step 2: Convert to fraction form
    12,287,718.60/18,431,577.90 = 6,619,014.60/x
  3. Step 3: Cross multiply
    12,287,718.60x = 18,431,577.90 × 6,619,014.60
  4. Step 4: Simplify right side
    12,287,718.60x = 121,998,883,221,137.33
  5. Step 5: Solve for x
    x = 121,998,883,221,137.33/12,287,718.60
  6. Step 6: Final answer
    x = 9,928,521.90

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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.