Home / 6,430,706.82-8,872,557.48-4,140,193.68

Finding the Fourth Proportional to 6,430,706.82, 8,872,557.48 and 4,140,193.68

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Solution

The fourth proportional to 6,430,706.82, 8,872,557.48 and 4,140,193.68 is: 5,712,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,706.82 : 8,872,557.48 = 4,140,193.68 : x
  2. Step 2: Convert to fraction form
    6,430,706.82/8,872,557.48 = 4,140,193.68/x
  3. Step 3: Cross multiply
    6,430,706.82x = 8,872,557.48 × 4,140,193.68
  4. Step 4: Simplify right side
    6,430,706.82x = 36,734,106,404,132.73
  5. Step 5: Solve for x
    x = 36,734,106,404,132.73/6,430,706.82
  6. Step 6: Final answer
    x = 5,712,296.86

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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.