Home / 12,149,917.60-18,225,092.40-3,630,359.20

Finding the Fourth Proportional to 12,149,917.60, 18,225,092.40 and 3,630,359.20

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Solution

The fourth proportional to 12,149,917.60, 18,225,092.40 and 3,630,359.20 is: 5,445,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,917.60 : 18,225,092.40 = 3,630,359.20 : x
  2. Step 2: Convert to fraction form
    12,149,917.60/18,225,092.40 = 3,630,359.20/x
  3. Step 3: Cross multiply
    12,149,917.60x = 18,225,092.40 × 3,630,359.20
  4. Step 4: Simplify right side
    12,149,917.60x = 66,163,631,865,190.08
  5. Step 5: Solve for x
    x = 66,163,631,865,190.08/12,149,917.60
  6. Step 6: Final answer
    x = 5,445,603.34

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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.