Home / 20,670,734.87-31,027,649.23-9,164,282.77

Finding the Fourth Proportional to 20,670,734.87, 31,027,649.23 and 9,164,282.77

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Solution

The fourth proportional to 20,670,734.87, 31,027,649.23 and 9,164,282.77 is: 13,755,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670,734.87 : 31,027,649.23 = 9,164,282.77 : x
  2. Step 2: Convert to fraction form
    20,670,734.87/31,027,649.23 = 9,164,282.77/x
  3. Step 3: Cross multiply
    20,670,734.87x = 31,027,649.23 × 9,164,282.77
  4. Step 4: Simplify right side
    20,670,734.87x = 284,346,151,186,271.38
  5. Step 5: Solve for x
    x = 284,346,151,186,271.38/20,670,734.87
  6. Step 6: Final answer
    x = 13,755,976.89

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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.