Home / 7,140,930.41-9,854,564.15-3,877,783.85

Finding the Fourth Proportional to 7,140,930.41, 9,854,564.15 and 3,877,783.85

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Solution

The fourth proportional to 7,140,930.41, 9,854,564.15 and 3,877,783.85 is: 5,351,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,930.41 : 9,854,564.15 = 3,877,783.85 : x
  2. Step 2: Convert to fraction form
    7,140,930.41/9,854,564.15 = 3,877,783.85/x
  3. Step 3: Cross multiply
    7,140,930.41x = 9,854,564.15 × 3,877,783.85
  4. Step 4: Simplify right side
    7,140,930.41x = 38,213,869,709,658.98
  5. Step 5: Solve for x
    x = 38,213,869,709,658.98/7,140,930.41
  6. Step 6: Final answer
    x = 5,351,385.26

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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.