Home / 10,892,828.20-16,374,671.70-7,719,928.60

Finding the Fourth Proportional to 10,892,828.20, 16,374,671.70 and 7,719,928.60

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Solution

The fourth proportional to 10,892,828.20, 16,374,671.70 and 7,719,928.60 is: 11,605,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,828.20 : 16,374,671.70 = 7,719,928.60 : x
  2. Step 2: Convert to fraction form
    10,892,828.20/16,374,671.70 = 7,719,928.60/x
  3. Step 3: Cross multiply
    10,892,828.20x = 16,374,671.70 × 7,719,928.60
  4. Step 4: Simplify right side
    10,892,828.20x = 126,411,296,372,440.61
  5. Step 5: Solve for x
    x = 126,411,296,372,440.61/10,892,828.20
  6. Step 6: Final answer
    x = 11,605,002.31

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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.