Home / 8,789,898.12-13,188,636.10-4,745,582.88

Finding the Fourth Proportional to 8,789,898.12, 13,188,636.10 and 4,745,582.88

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Solution

The fourth proportional to 8,789,898.12, 13,188,636.10 and 4,745,582.88 is: 7,120,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,898.12 : 13,188,636.10 = 4,745,582.88 : x
  2. Step 2: Convert to fraction form
    8,789,898.12/13,188,636.10 = 4,745,582.88/x
  3. Step 3: Cross multiply
    8,789,898.12x = 13,188,636.10 × 4,745,582.88
  4. Step 4: Simplify right side
    8,789,898.12x = 62,587,765,686,709.96
  5. Step 5: Solve for x
    x = 62,587,765,686,709.96/8,789,898.12
  6. Step 6: Final answer
    x = 7,120,419.92

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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.