Home / 20,429,749.60-30,630,627.60-9,652,213.60

Finding the Fourth Proportional to 20,429,749.60, 30,630,627.60 and 9,652,213.60

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Solution

The fourth proportional to 20,429,749.60, 30,630,627.60 and 9,652,213.60 is: 14,471,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429,749.60 : 30,630,627.60 = 9,652,213.60 : x
  2. Step 2: Convert to fraction form
    20,429,749.60/30,630,627.60 = 9,652,213.60/x
  3. Step 3: Cross multiply
    20,429,749.60x = 30,630,627.60 × 9,652,213.60
  4. Step 4: Simplify right side
    20,429,749.60x = 295,653,360,297,255.38
  5. Step 5: Solve for x
    x = 295,653,360,297,255.38/20,429,749.60
  6. Step 6: Final answer
    x = 14,471,707.49

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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.