Home / 13,458,527.20-20,187,790.80-9,844,728.40

Finding the Fourth Proportional to 13,458,527.20, 20,187,790.80 and 9,844,728.40

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Solution

The fourth proportional to 13,458,527.20, 20,187,790.80 and 9,844,728.40 is: 14,767,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,527.20 : 20,187,790.80 = 9,844,728.40 : x
  2. Step 2: Convert to fraction form
    13,458,527.20/20,187,790.80 = 9,844,728.40/x
  3. Step 3: Cross multiply
    13,458,527.20x = 20,187,790.80 × 9,844,728.40
  4. Step 4: Simplify right side
    13,458,527.20x = 198,743,317,422,018.75
  5. Step 5: Solve for x
    x = 198,743,317,422,018.75/13,458,527.20
  6. Step 6: Final answer
    x = 14,767,092.60

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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.