Home / 20,926,745.79-31,391,340.32-6,354,140.68

Finding the Fourth Proportional to 20,926,745.79, 31,391,340.32 and 6,354,140.68

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Solution

The fourth proportional to 20,926,745.79, 31,391,340.32 and 6,354,140.68 is: 9,531,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,745.79 : 31,391,340.32 = 6,354,140.68 : x
  2. Step 2: Convert to fraction form
    20,926,745.79/31,391,340.32 = 6,354,140.68/x
  3. Step 3: Cross multiply
    20,926,745.79x = 31,391,340.32 × 6,354,140.68
  4. Step 4: Simplify right side
    20,926,745.79x = 199,464,992,370,079.50
  5. Step 5: Solve for x
    x = 199,464,992,370,079.50/20,926,745.79
  6. Step 6: Final answer
    x = 9,531,581.95

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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.