Home / 13,871,999.70-20,807,999.55-3,636,839.70

Finding the Fourth Proportional to 13,871,999.70, 20,807,999.55 and 3,636,839.70

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Solution

The fourth proportional to 13,871,999.70, 20,807,999.55 and 3,636,839.70 is: 5,455,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,999.70 : 20,807,999.55 = 3,636,839.70 : x
  2. Step 2: Convert to fraction form
    13,871,999.70/20,807,999.55 = 3,636,839.70/x
  3. Step 3: Cross multiply
    13,871,999.70x = 20,807,999.55 × 3,636,839.70
  4. Step 4: Simplify right side
    13,871,999.70x = 75,675,358,841,022.14
  5. Step 5: Solve for x
    x = 75,675,358,841,022.14/13,871,999.70
  6. Step 6: Final answer
    x = 5,455,259.55

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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.