Home / 12,408,557.86-18,613,337.37-4,322,351.35

Finding the Fourth Proportional to 12,408,557.86, 18,613,337.37 and 4,322,351.35

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Solution

The fourth proportional to 12,408,557.86, 18,613,337.37 and 4,322,351.35 is: 6,483,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,557.86 : 18,613,337.37 = 4,322,351.35 : x
  2. Step 2: Convert to fraction form
    12,408,557.86/18,613,337.37 = 4,322,351.35/x
  3. Step 3: Cross multiply
    12,408,557.86x = 18,613,337.37 × 4,322,351.35
  4. Step 4: Simplify right side
    12,408,557.86x = 80,453,383,909,224.95
  5. Step 5: Solve for x
    x = 80,453,383,909,224.95/12,408,557.86
  6. Step 6: Final answer
    x = 6,483,701.40

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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.