Home / 13,445,486.70-20,162,281.41-3,858,640.98

Finding the Fourth Proportional to 13,445,486.70, 20,162,281.41 and 3,858,640.98

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Solution

The fourth proportional to 13,445,486.70, 20,162,281.41 and 3,858,640.98 is: 5,786,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,486.70 : 20,162,281.41 = 3,858,640.98 : x
  2. Step 2: Convert to fraction form
    13,445,486.70/20,162,281.41 = 3,858,640.98/x
  3. Step 3: Cross multiply
    13,445,486.70x = 20,162,281.41 × 3,858,640.98
  4. Step 4: Simplify right side
    13,445,486.70x = 77,799,005,298,918.19
  5. Step 5: Solve for x
    x = 77,799,005,298,918.19/13,445,486.70
  6. Step 6: Final answer
    x = 5,786,254.30

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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.