Home / 13,439,499.60-20,167,122.60-4,920,697.20

Finding the Fourth Proportional to 13,439,499.60, 20,167,122.60 and 4,920,697.20

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Solution

The fourth proportional to 13,439,499.60, 20,167,122.60 and 4,920,697.20 is: 7,383,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,499.60 : 20,167,122.60 = 4,920,697.20 : x
  2. Step 2: Convert to fraction form
    13,439,499.60/20,167,122.60 = 4,920,697.20/x
  3. Step 3: Cross multiply
    13,439,499.60x = 20,167,122.60 × 4,920,697.20
  4. Step 4: Simplify right side
    13,439,499.60x = 99,236,303,709,876.73
  5. Step 5: Solve for x
    x = 99,236,303,709,876.73/13,439,499.60
  6. Step 6: Final answer
    x = 7,383,928.47

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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.