Home / 11,229,936.40-16,820,021.40-9,239,280.40

Finding the Fourth Proportional to 11,229,936.40, 16,820,021.40 and 9,239,280.40

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Solution

The fourth proportional to 11,229,936.40, 16,820,021.40 and 9,239,280.40 is: 13,838,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229,936.40 : 16,820,021.40 = 9,239,280.40 : x
  2. Step 2: Convert to fraction form
    11,229,936.40/16,820,021.40 = 9,239,280.40/x
  3. Step 3: Cross multiply
    11,229,936.40x = 16,820,021.40 × 9,239,280.40
  4. Step 4: Simplify right side
    11,229,936.40x = 155,404,894,048,600.56
  5. Step 5: Solve for x
    x = 155,404,894,048,600.56/11,229,936.40
  6. Step 6: Final answer
    x = 13,838,448.28

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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.