Home / 7,140,929.41-9,854,562.77-3,877,782.85

Finding the Fourth Proportional to 7,140,929.41, 9,854,562.77 and 3,877,782.85

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Solution

The fourth proportional to 7,140,929.41, 9,854,562.77 and 3,877,782.85 is: 5,351,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,929.41 : 9,854,562.77 = 3,877,782.85 : x
  2. Step 2: Convert to fraction form
    7,140,929.41/9,854,562.77 = 3,877,782.85/x
  3. Step 3: Cross multiply
    7,140,929.41x = 9,854,562.77 × 3,877,782.85
  4. Step 4: Simplify right side
    7,140,929.41x = 38,213,854,503,754.49
  5. Step 5: Solve for x
    x = 38,213,854,503,754.49/7,140,929.41
  6. Step 6: Final answer
    x = 5,351,383.88

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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.