Home / 11,555,975.37-15,947,231.63-6,399,330.69

Finding the Fourth Proportional to 11,555,975.37, 15,947,231.63 and 6,399,330.69

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Solution

The fourth proportional to 11,555,975.37, 15,947,231.63 and 6,399,330.69 is: 8,831,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,975.37 : 15,947,231.63 = 6,399,330.69 : x
  2. Step 2: Convert to fraction form
    11,555,975.37/15,947,231.63 = 6,399,330.69/x
  3. Step 3: Cross multiply
    11,555,975.37x = 15,947,231.63 × 6,399,330.69
  4. Step 4: Simplify right side
    11,555,975.37x = 102,051,608,758,401.08
  5. Step 5: Solve for x
    x = 102,051,608,758,401.08/11,555,975.37
  6. Step 6: Final answer
    x = 8,831,068.39

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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.