Home / 13,856,492.49-20,782,289.30-3,759,900.81

Finding the Fourth Proportional to 13,856,492.49, 20,782,289.30 and 3,759,900.81

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Solution

The fourth proportional to 13,856,492.49, 20,782,289.30 and 3,759,900.81 is: 5,639,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,492.49 : 20,782,289.30 = 3,759,900.81 : x
  2. Step 2: Convert to fraction form
    13,856,492.49/20,782,289.30 = 3,759,900.81/x
  3. Step 3: Cross multiply
    13,856,492.49x = 20,782,289.30 × 3,759,900.81
  4. Step 4: Simplify right side
    13,856,492.49x = 78,139,346,353,924.84
  5. Step 5: Solve for x
    x = 78,139,346,353,924.84/13,856,492.49
  6. Step 6: Final answer
    x = 5,639,186.57

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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.