Home / 12,149,715.90-18,224,865.45-3,630,330.30

Finding the Fourth Proportional to 12,149,715.90, 18,224,865.45 and 3,630,330.30

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Solution

The fourth proportional to 12,149,715.90, 18,224,865.45 and 3,630,330.30 is: 5,445,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,715.90 : 18,224,865.45 = 3,630,330.30 : x
  2. Step 2: Convert to fraction form
    12,149,715.90/18,224,865.45 = 3,630,330.30/x
  3. Step 3: Cross multiply
    12,149,715.90x = 18,224,865.45 × 3,630,330.30
  4. Step 4: Simplify right side
    12,149,715.90x = 66,162,281,256,558.12
  5. Step 5: Solve for x
    x = 66,162,281,256,558.12/12,149,715.90
  6. Step 6: Final answer
    x = 5,445,582.58

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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.