Home / 18,166,069.35-25,069,781.02-9,906,583.53

Finding the Fourth Proportional to 18,166,069.35, 25,069,781.02 and 9,906,583.53

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Solution

The fourth proportional to 18,166,069.35, 25,069,781.02 and 9,906,583.53 is: 13,671,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,069.35 : 25,069,781.02 = 9,906,583.53 : x
  2. Step 2: Convert to fraction form
    18,166,069.35/25,069,781.02 = 9,906,583.53/x
  3. Step 3: Cross multiply
    18,166,069.35x = 25,069,781.02 × 9,906,583.53
  4. Step 4: Simplify right side
    18,166,069.35x = 248,355,879,629,732.41
  5. Step 5: Solve for x
    x = 248,355,879,629,732.41/18,166,069.35
  6. Step 6: Final answer
    x = 13,671,415.37

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1.5x scale

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.