Home / 28,540,997.48-39,386,603.22-16,318,110.44

Finding the Fourth Proportional to 28,540,997.48, 39,386,603.22 and 16,318,110.44

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Solution

The fourth proportional to 28,540,997.48, 39,386,603.22 and 16,318,110.44 is: 22,519,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540,997.48 : 39,386,603.22 = 16,318,110.44 : x
  2. Step 2: Convert to fraction form
    28,540,997.48/39,386,603.22 = 16,318,110.44/x
  3. Step 3: Cross multiply
    28,540,997.48x = 39,386,603.22 × 16,318,110.44
  4. Step 4: Simplify right side
    28,540,997.48x = 642,714,941,200,419.62
  5. Step 5: Solve for x
    x = 642,714,941,200,419.62/28,540,997.48
  6. Step 6: Final answer
    x = 22,519,007.67

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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.