Home / 9,145,709.70-13,718,564.55-5,744,487.30

Finding the Fourth Proportional to 9,145,709.70, 13,718,564.55 and 5,744,487.30

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Solution

The fourth proportional to 9,145,709.70, 13,718,564.55 and 5,744,487.30 is: 8,616,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,709.70 : 13,718,564.55 = 5,744,487.30 : x
  2. Step 2: Convert to fraction form
    9,145,709.70/13,718,564.55 = 5,744,487.30/x
  3. Step 3: Cross multiply
    9,145,709.70x = 13,718,564.55 × 5,744,487.30
  4. Step 4: Simplify right side
    9,145,709.70x = 78,806,119,831,705.22
  5. Step 5: Solve for x
    x = 78,806,119,831,705.22/9,145,709.70
  6. Step 6: Final answer
    x = 8,616,730.95

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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.