Home / 18,795,542.40-28,193,313.60-15,607,036.80

Finding the Fourth Proportional to 18,795,542.40, 28,193,313.60 and 15,607,036.80

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Solution

The fourth proportional to 18,795,542.40, 28,193,313.60 and 15,607,036.80 is: 23,410,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,542.40 : 28,193,313.60 = 15,607,036.80 : x
  2. Step 2: Convert to fraction form
    18,795,542.40/28,193,313.60 = 15,607,036.80/x
  3. Step 3: Cross multiply
    18,795,542.40x = 28,193,313.60 × 15,607,036.80
  4. Step 4: Simplify right side
    18,795,542.40x = 440,014,082,869,140.50
  5. Step 5: Solve for x
    x = 440,014,082,869,140.50/18,795,542.40
  6. Step 6: Final answer
    x = 23,410,555.20

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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.