Home / 14,615,998.40-21,882,007.20-8,947,294.40

Finding the Fourth Proportional to 14,615,998.40, 21,882,007.20 and 8,947,294.40

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Solution

The fourth proportional to 14,615,998.40, 21,882,007.20 and 8,947,294.40 is: 13,395,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,998.40 : 21,882,007.20 = 8,947,294.40 : x
  2. Step 2: Convert to fraction form
    14,615,998.40/21,882,007.20 = 8,947,294.40/x
  3. Step 3: Cross multiply
    14,615,998.40x = 21,882,007.20 × 8,947,294.40
  4. Step 4: Simplify right side
    14,615,998.40x = 195,784,760,481,319.69
  5. Step 5: Solve for x
    x = 195,784,760,481,319.69/14,615,998.40
  6. Step 6: Final answer
    x = 13,395,236.86

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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.