Home / 11,218,975.20-16,828,462.80-9,305,787.60

Finding the Fourth Proportional to 11,218,975.20, 16,828,462.80 and 9,305,787.60

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Solution

The fourth proportional to 11,218,975.20, 16,828,462.80 and 9,305,787.60 is: 13,958,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218,975.20 : 16,828,462.80 = 9,305,787.60 : x
  2. Step 2: Convert to fraction form
    11,218,975.20/16,828,462.80 = 9,305,787.60/x
  3. Step 3: Cross multiply
    11,218,975.20x = 16,828,462.80 × 9,305,787.60
  4. Step 4: Simplify right side
    11,218,975.20x = 156,602,100,451,301.28
  5. Step 5: Solve for x
    x = 156,602,100,451,301.28/11,218,975.20
  6. Step 6: Final answer
    x = 13,958,681.40

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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.