Home / 7,773,004.20-11,661,000.75-2,980,319.71

Finding the Fourth Proportional to 7,773,004.20, 11,661,000.75 and 2,980,319.71

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Solution

The fourth proportional to 7,773,004.20, 11,661,000.75 and 2,980,319.71 is: 4,471,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773,004.20 : 11,661,000.75 = 2,980,319.71 : x
  2. Step 2: Convert to fraction form
    7,773,004.20/11,661,000.75 = 2,980,319.71/x
  3. Step 3: Cross multiply
    7,773,004.20x = 11,661,000.75 × 2,980,319.71
  4. Step 4: Simplify right side
    7,773,004.20x = 34,753,510,373,549.78
  5. Step 5: Solve for x
    x = 34,753,510,373,549.78/7,773,004.20
  6. Step 6: Final answer
    x = 4,471,052.57

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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.