Home / 13,439,721.60-20,167,455.60-4,920,919.20

Finding the Fourth Proportional to 13,439,721.60, 20,167,455.60 and 4,920,919.20

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Solution

The fourth proportional to 13,439,721.60, 20,167,455.60 and 4,920,919.20 is: 7,384,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,721.60 : 20,167,455.60 = 4,920,919.20 : x
  2. Step 2: Convert to fraction form
    13,439,721.60/20,167,455.60 = 4,920,919.20/x
  3. Step 3: Cross multiply
    13,439,721.60x = 20,167,455.60 × 4,920,919.20
  4. Step 4: Simplify right side
    13,439,721.60x = 99,242,419,477,187.53
  5. Step 5: Solve for x
    x = 99,242,419,477,187.53/13,439,721.60
  6. Step 6: Final answer
    x = 7,384,261.55

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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.