Home / 19,490,187.20-29,235,280.80-18,214,728.80

Finding the Fourth Proportional to 19,490,187.20, 29,235,280.80 and 18,214,728.80

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Solution

The fourth proportional to 19,490,187.20, 29,235,280.80 and 18,214,728.80 is: 27,322,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,187.20 : 29,235,280.80 = 18,214,728.80 : x
  2. Step 2: Convert to fraction form
    19,490,187.20/29,235,280.80 = 18,214,728.80/x
  3. Step 3: Cross multiply
    19,490,187.20x = 29,235,280.80 × 18,214,728.80
  4. Step 4: Simplify right side
    19,490,187.20x = 532,512,711,163,847.06
  5. Step 5: Solve for x
    x = 532,512,711,163,847.06/19,490,187.20
  6. Step 6: Final answer
    x = 27,322,093.20

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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.