Home / 18,455,503.02-25,469,322.65-10,615,002.75

Finding the Fourth Proportional to 18,455,503.02, 25,469,322.65 and 10,615,002.75

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Solution

The fourth proportional to 18,455,503.02, 25,469,322.65 and 10,615,002.75 is: 14,649,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,503.02 : 25,469,322.65 = 10,615,002.75 : x
  2. Step 2: Convert to fraction form
    18,455,503.02/25,469,322.65 = 10,615,002.75/x
  3. Step 3: Cross multiply
    18,455,503.02x = 25,469,322.65 × 10,615,002.75
  4. Step 4: Simplify right side
    18,455,503.02x = 270,356,929,957,118.53
  5. Step 5: Solve for x
    x = 270,356,929,957,118.53/18,455,503.02
  6. Step 6: Final answer
    x = 14,649,122.80

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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.