Home / 18,438,364.60-27,657,546.90-16,611,782.20

Finding the Fourth Proportional to 18,438,364.60, 27,657,546.90 and 16,611,782.20

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Solution

The fourth proportional to 18,438,364.60, 27,657,546.90 and 16,611,782.20 is: 24,917,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,364.60 : 27,657,546.90 = 16,611,782.20 : x
  2. Step 2: Convert to fraction form
    18,438,364.60/27,657,546.90 = 16,611,782.20/x
  3. Step 3: Cross multiply
    18,438,364.60x = 27,657,546.90 × 16,611,782.20
  4. Step 4: Simplify right side
    18,438,364.60x = 459,441,145,289,085.12
  5. Step 5: Solve for x
    x = 459,441,145,289,085.12/18,438,364.60
  6. Step 6: Final answer
    x = 24,917,673.30

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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.