Home / 18,439,689.80-27,659,534.70-12,069,590.60

Finding the Fourth Proportional to 18,439,689.80, 27,659,534.70 and 12,069,590.60

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Solution

The fourth proportional to 18,439,689.80, 27,659,534.70 and 12,069,590.60 is: 18,104,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,689.80 : 27,659,534.70 = 12,069,590.60 : x
  2. Step 2: Convert to fraction form
    18,439,689.80/27,659,534.70 = 12,069,590.60/x
  3. Step 3: Cross multiply
    18,439,689.80x = 27,659,534.70 × 12,069,590.60
  4. Step 4: Simplify right side
    18,439,689.80x = 333,839,260,015,493.81
  5. Step 5: Solve for x
    x = 333,839,260,015,493.81/18,439,689.80
  6. Step 6: Final answer
    x = 18,104,385.90

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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.