Home / 8,789,898.96-13,188,637.41-4,745,583.78

Finding the Fourth Proportional to 8,789,898.96, 13,188,637.41 and 4,745,583.78

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Solution

The fourth proportional to 8,789,898.96, 13,188,637.41 and 4,745,583.78 is: 7,120,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,898.96 : 13,188,637.41 = 4,745,583.78 : x
  2. Step 2: Convert to fraction form
    8,789,898.96/13,188,637.41 = 4,745,583.78/x
  3. Step 3: Cross multiply
    8,789,898.96x = 13,188,637.41 × 4,745,583.78
  4. Step 4: Simplify right side
    8,789,898.96x = 62,587,783,773,197.21
  5. Step 5: Solve for x
    x = 62,587,783,773,197.21/8,789,898.96
  6. Step 6: Final answer
    x = 7,120,421.30

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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.