Home / 13,923,780.36-20,885,641.81-7,855,757.50

Finding the Fourth Proportional to 13,923,780.36, 20,885,641.81 and 7,855,757.50

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Solution

The fourth proportional to 13,923,780.36, 20,885,641.81 and 7,855,757.50 is: 11,783,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923,780.36 : 20,885,641.81 = 7,855,757.50 : x
  2. Step 2: Convert to fraction form
    13,923,780.36/20,885,641.81 = 7,855,757.50/x
  3. Step 3: Cross multiply
    13,923,780.36x = 20,885,641.81 × 7,855,757.50
  4. Step 4: Simplify right side
    13,923,780.36x = 164,072,537,186,792.84
  5. Step 5: Solve for x
    x = 164,072,537,186,792.84/13,923,780.36
  6. Step 6: Final answer
    x = 11,783,620.04

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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.