Home / 38,143,183.26-52,637,226.12-20,739,531.90

Finding the Fourth Proportional to 38,143,183.26, 52,637,226.12 and 20,739,531.90

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Solution

The fourth proportional to 38,143,183.26, 52,637,226.12 and 20,739,531.90 is: 28,620,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,183.26 : 52,637,226.12 = 20,739,531.90 : x
  2. Step 2: Convert to fraction form
    38,143,183.26/52,637,226.12 = 20,739,531.90/x
  3. Step 3: Cross multiply
    38,143,183.26x = 52,637,226.12 × 20,739,531.90
  4. Step 4: Simplify right side
    38,143,183.26x = 1,091,671,430,243,253.12
  5. Step 5: Solve for x
    x = 1,091,671,430,243,253.12/38,143,183.26
  6. Step 6: Final answer
    x = 28,620,354.59

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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.