Home / 13,420,459.41-20,129,181.58-3,706,453.38

Finding the Fourth Proportional to 13,420,459.41, 20,129,181.58 and 3,706,453.38

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Solution

The fourth proportional to 13,420,459.41, 20,129,181.58 and 3,706,453.38 is: 5,559,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,459.41 : 20,129,181.58 = 3,706,453.38 : x
  2. Step 2: Convert to fraction form
    13,420,459.41/20,129,181.58 = 3,706,453.38/x
  3. Step 3: Cross multiply
    13,420,459.41x = 20,129,181.58 × 3,706,453.38
  4. Step 4: Simplify right side
    13,420,459.41x = 74,607,873,003,178.83
  5. Step 5: Solve for x
    x = 74,607,873,003,178.83/13,420,459.41
  6. Step 6: Final answer
    x = 5,559,263.71

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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.