Home / 8,635,985.12-12,958,460.93-3,522,166.76

Finding the Fourth Proportional to 8,635,985.12, 12,958,460.93 and 3,522,166.76

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Solution

The fourth proportional to 8,635,985.12, 12,958,460.93 and 3,522,166.76 is: 5,285,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,985.12 : 12,958,460.93 = 3,522,166.76 : x
  2. Step 2: Convert to fraction form
    8,635,985.12/12,958,460.93 = 3,522,166.76/x
  3. Step 3: Cross multiply
    8,635,985.12x = 12,958,460.93 × 3,522,166.76
  4. Step 4: Simplify right side
    8,635,985.12x = 45,641,860,344,001.98
  5. Step 5: Solve for x
    x = 45,641,860,344,001.98/8,635,985.12
  6. Step 6: Final answer
    x = 5,285,078.62

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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.