Home / 13,872,003.80-20,808,005.70-11,632,515.80

Finding the Fourth Proportional to 13,872,003.80, 20,808,005.70 and 11,632,515.80

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Solution

The fourth proportional to 13,872,003.80, 20,808,005.70 and 11,632,515.80 is: 17,448,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,003.80 : 20,808,005.70 = 11,632,515.80 : x
  2. Step 2: Convert to fraction form
    13,872,003.80/20,808,005.70 = 11,632,515.80/x
  3. Step 3: Cross multiply
    13,872,003.80x = 20,808,005.70 × 11,632,515.80
  4. Step 4: Simplify right side
    13,872,003.80x = 242,049,455,071,740.06
  5. Step 5: Solve for x
    x = 242,049,455,071,740.06/13,872,003.80
  6. Step 6: Final answer
    x = 17,448,773.70

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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.