Home / 20,883,108.32-31,325,511.77-9,947,676.38

Finding the Fourth Proportional to 20,883,108.32, 31,325,511.77 and 9,947,676.38

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Solution

The fourth proportional to 20,883,108.32, 31,325,511.77 and 9,947,676.38 is: 14,921,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,108.32 : 31,325,511.77 = 9,947,676.38 : x
  2. Step 2: Convert to fraction form
    20,883,108.32/31,325,511.77 = 9,947,676.38/x
  3. Step 3: Cross multiply
    20,883,108.32x = 31,325,511.77 × 9,947,676.38
  4. Step 4: Simplify right side
    20,883,108.32x = 311,616,053,554,416.38
  5. Step 5: Solve for x
    x = 311,616,053,554,416.38/20,883,108.32
  6. Step 6: Final answer
    x = 14,921,919.13

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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.