Home / 21,921,350.40-32,882,025.60-9,137,606.40

Finding the Fourth Proportional to 21,921,350.40, 32,882,025.60 and 9,137,606.40

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Solution

The fourth proportional to 21,921,350.40, 32,882,025.60 and 9,137,606.40 is: 13,706,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,350.40 : 32,882,025.60 = 9,137,606.40 : x
  2. Step 2: Convert to fraction form
    21,921,350.40/32,882,025.60 = 9,137,606.40/x
  3. Step 3: Cross multiply
    21,921,350.40x = 32,882,025.60 × 9,137,606.40
  4. Step 4: Simplify right side
    21,921,350.40x = 300,463,007,567,523.88
  5. Step 5: Solve for x
    x = 300,463,007,567,523.88/21,921,350.40
  6. Step 6: Final answer
    x = 13,706,409.60

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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.