Home / 8,779,147.75-13,168,474.30-2,389,455.46

Finding the Fourth Proportional to 8,779,147.75, 13,168,474.30 and 2,389,455.46

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Solution

The fourth proportional to 8,779,147.75, 13,168,474.30 and 2,389,455.46 is: 3,584,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,147.75 : 13,168,474.30 = 2,389,455.46 : x
  2. Step 2: Convert to fraction form
    8,779,147.75/13,168,474.30 = 2,389,455.46/x
  3. Step 3: Cross multiply
    8,779,147.75x = 13,168,474.30 × 2,389,455.46
  4. Step 4: Simplify right side
    8,779,147.75x = 31,465,482,816,004.68
  5. Step 5: Solve for x
    x = 31,465,482,816,004.68/8,779,147.75
  6. Step 6: Final answer
    x = 3,584,115.87

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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.