Home / 7,822,245.96-11,730,967.72-5,408,905.58

Finding the Fourth Proportional to 7,822,245.96, 11,730,967.72 and 5,408,905.58

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Solution

The fourth proportional to 7,822,245.96, 11,730,967.72 and 5,408,905.58 is: 8,111,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822,245.96 : 11,730,967.72 = 5,408,905.58 : x
  2. Step 2: Convert to fraction form
    7,822,245.96/11,730,967.72 = 5,408,905.58/x
  3. Step 3: Cross multiply
    7,822,245.96x = 11,730,967.72 × 5,408,905.58
  4. Step 4: Simplify right side
    7,822,245.96x = 63,451,696,759,507.88
  5. Step 5: Solve for x
    x = 63,451,696,759,507.88/7,822,245.96
  6. Step 6: Final answer
    x = 8,111,697.98

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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.