Home / 12,021,856.38-16,590,219.32-6,515,241.89

Finding the Fourth Proportional to 12,021,856.38, 16,590,219.32 and 6,515,241.89

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Solution

The fourth proportional to 12,021,856.38, 16,590,219.32 and 6,515,241.89 is: 8,991,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,856.38 : 16,590,219.32 = 6,515,241.89 : x
  2. Step 2: Convert to fraction form
    12,021,856.38/16,590,219.32 = 6,515,241.89/x
  3. Step 3: Cross multiply
    12,021,856.38x = 16,590,219.32 × 6,515,241.89
  4. Step 4: Simplify right side
    12,021,856.38x = 108,089,291,811,288.31
  5. Step 5: Solve for x
    x = 108,089,291,811,288.31/12,021,856.38
  6. Step 6: Final answer
    x = 8,991,064.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.