Home / 15,404,953.48-21,259,500.06-8,529,436.15

Finding the Fourth Proportional to 15,404,953.48, 21,259,500.06 and 8,529,436.15

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Solution

The fourth proportional to 15,404,953.48, 21,259,500.06 and 8,529,436.15 is: 11,770,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,953.48 : 21,259,500.06 = 8,529,436.15 : x
  2. Step 2: Convert to fraction form
    15,404,953.48/21,259,500.06 = 8,529,436.15/x
  3. Step 3: Cross multiply
    15,404,953.48x = 21,259,500.06 × 8,529,436.15
  4. Step 4: Simplify right side
    15,404,953.48x = 181,331,548,321,527.81
  5. Step 5: Solve for x
    x = 181,331,548,321,527.81/15,404,953.48
  6. Step 6: Final answer
    x = 11,770,989.67

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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.