Home / 20,945,323.80-31,417,985.70-5,799,255.30

Finding the Fourth Proportional to 20,945,323.80, 31,417,985.70 and 5,799,255.30

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Solution

The fourth proportional to 20,945,323.80, 31,417,985.70 and 5,799,255.30 is: 8,698,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,945,323.80 : 31,417,985.70 = 5,799,255.30 : x
  2. Step 2: Convert to fraction form
    20,945,323.80/31,417,985.70 = 5,799,255.30/x
  3. Step 3: Cross multiply
    20,945,323.80x = 31,417,985.70 × 5,799,255.30
  4. Step 4: Simplify right side
    20,945,323.80x = 182,200,920,086,049.19
  5. Step 5: Solve for x
    x = 182,200,920,086,049.19/20,945,323.80
  6. Step 6: Final answer
    x = 8,698,882.95

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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.