Home / 13,145,624.19-18,140,626.53-7,344,449.55

Finding the Fourth Proportional to 13,145,624.19, 18,140,626.53 and 7,344,449.55

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Solution

The fourth proportional to 13,145,624.19, 18,140,626.53 and 7,344,449.55 is: 10,135,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,624.19 : 18,140,626.53 = 7,344,449.55 : x
  2. Step 2: Convert to fraction form
    13,145,624.19/18,140,626.53 = 7,344,449.55/x
  3. Step 3: Cross multiply
    13,145,624.19x = 18,140,626.53 × 7,344,449.55
  4. Step 4: Simplify right side
    13,145,624.19x = 133,232,916,354,976.56
  5. Step 5: Solve for x
    x = 133,232,916,354,976.56/13,145,624.19
  6. Step 6: Final answer
    x = 10,135,153.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.