Home / 8,789,878.56-13,188,606.81-4,745,563.35

Finding the Fourth Proportional to 8,789,878.56, 13,188,606.81 and 4,745,563.35

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Solution

The fourth proportional to 8,789,878.56, 13,188,606.81 and 4,745,563.35 is: 7,120,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,878.56 : 13,188,606.81 = 4,745,563.35 : x
  2. Step 2: Convert to fraction form
    8,789,878.56/13,188,606.81 = 4,745,563.35/x
  3. Step 3: Cross multiply
    8,789,878.56x = 13,188,606.81 × 4,745,563.35
  4. Step 4: Simplify right side
    8,789,878.56x = 62,587,369,115,096.41
  5. Step 5: Solve for x
    x = 62,587,369,115,096.41/8,789,878.56
  6. Step 6: Final answer
    x = 7,120,390.65

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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.