Home / 11,505,298.73-15,864,437.79-9,405,587.67

Finding the Fourth Proportional to 11,505,298.73, 15,864,437.79 and 9,405,587.67

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Solution

The fourth proportional to 11,505,298.73, 15,864,437.79 and 9,405,587.67 is: 12,969,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505,298.73 : 15,864,437.79 = 9,405,587.67 : x
  2. Step 2: Convert to fraction form
    11,505,298.73/15,864,437.79 = 9,405,587.67/x
  3. Step 3: Cross multiply
    11,505,298.73x = 15,864,437.79 × 9,405,587.67
  4. Step 4: Simplify right side
    11,505,298.73x = 149,214,360,409,614.41
  5. Step 5: Solve for x
    x = 149,214,360,409,614.41/11,505,298.73
  6. Step 6: Final answer
    x = 12,969,186.11

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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.