Home / 12,456,615.60-18,684,923.40-11,110,298.40

Finding the Fourth Proportional to 12,456,615.60, 18,684,923.40 and 11,110,298.40

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Solution

The fourth proportional to 12,456,615.60, 18,684,923.40 and 11,110,298.40 is: 16,665,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,615.60 : 18,684,923.40 = 11,110,298.40 : x
  2. Step 2: Convert to fraction form
    12,456,615.60/18,684,923.40 = 11,110,298.40/x
  3. Step 3: Cross multiply
    12,456,615.60x = 18,684,923.40 × 11,110,298.40
  4. Step 4: Simplify right side
    12,456,615.60x = 207,595,074,555,142.56
  5. Step 5: Solve for x
    x = 207,595,074,555,142.56/12,456,615.60
  6. Step 6: Final answer
    x = 16,665,447.60

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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.