Home / 43,459,348.55-65,189,022.83-13,168,718.15

Finding the Fourth Proportional to 43,459,348.55, 65,189,022.83 and 13,168,718.15

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Solution

The fourth proportional to 43,459,348.55, 65,189,022.83 and 13,168,718.15 is: 19,753,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,348.55 : 65,189,022.83 = 13,168,718.15 : x
  2. Step 2: Convert to fraction form
    43,459,348.55/65,189,022.83 = 13,168,718.15/x
  3. Step 3: Cross multiply
    43,459,348.55x = 65,189,022.83 × 13,168,718.15
  4. Step 4: Simplify right side
    43,459,348.55x = 858,455,868,056,341.88
  5. Step 5: Solve for x
    x = 858,455,868,056,341.88/43,459,348.55
  6. Step 6: Final answer
    x = 19,753,077.23

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Double scale
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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.