Home / 20,926,745.29-31,391,339.57-6,354,140.18

Finding the Fourth Proportional to 20,926,745.29, 31,391,339.57 and 6,354,140.18

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Solution

The fourth proportional to 20,926,745.29, 31,391,339.57 and 6,354,140.18 is: 9,531,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,745.29 : 31,391,339.57 = 6,354,140.18 : x
  2. Step 2: Convert to fraction form
    20,926,745.29/31,391,339.57 = 6,354,140.18/x
  3. Step 3: Cross multiply
    20,926,745.29x = 31,391,339.57 × 6,354,140.18
  4. Step 4: Simplify right side
    20,926,745.29x = 199,464,971,900,861.56
  5. Step 5: Solve for x
    x = 199,464,971,900,861.56/20,926,745.29
  6. Step 6: Final answer
    x = 9,531,581.20

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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.