Home / 9,072,406.80-13,608,610.20-5,082,800.40

Finding the Fourth Proportional to 9,072,406.80, 13,608,610.20 and 5,082,800.40

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Solution

The fourth proportional to 9,072,406.80, 13,608,610.20 and 5,082,800.40 is: 7,624,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,406.80 : 13,608,610.20 = 5,082,800.40 : x
  2. Step 2: Convert to fraction form
    9,072,406.80/13,608,610.20 = 5,082,800.40/x
  3. Step 3: Cross multiply
    9,072,406.80x = 13,608,610.20 × 5,082,800.40
  4. Step 4: Simplify right side
    9,072,406.80x = 69,169,849,368,004.08
  5. Step 5: Solve for x
    x = 69,169,849,368,004.08/9,072,406.80
  6. Step 6: Final answer
    x = 7,624,200.60

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Double scale
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Similar ratio
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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.