Home / 20,897,143.80-31,345,715.70-5,544,403.80

Finding the Fourth Proportional to 20,897,143.80, 31,345,715.70 and 5,544,403.80

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Solution

The fourth proportional to 20,897,143.80, 31,345,715.70 and 5,544,403.80 is: 8,316,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897,143.80 : 31,345,715.70 = 5,544,403.80 : x
  2. Step 2: Convert to fraction form
    20,897,143.80/31,345,715.70 = 5,544,403.80/x
  3. Step 3: Cross multiply
    20,897,143.80x = 31,345,715.70 × 5,544,403.80
  4. Step 4: Simplify right side
    20,897,143.80x = 173,793,305,240,799.66
  5. Step 5: Solve for x
    x = 173,793,305,240,799.66/20,897,143.80
  6. Step 6: Final answer
    x = 8,316,605.70

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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.