Home / 12,581,012.40-18,869,303.82-3,359,099.34

Finding the Fourth Proportional to 12,581,012.40, 18,869,303.82 and 3,359,099.34

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Solution

The fourth proportional to 12,581,012.40, 18,869,303.82 and 3,359,099.34 is: 5,038,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,012.40 : 18,869,303.82 = 3,359,099.34 : x
  2. Step 2: Convert to fraction form
    12,581,012.40/18,869,303.82 = 3,359,099.34/x
  3. Step 3: Cross multiply
    12,581,012.40x = 18,869,303.82 × 3,359,099.34
  4. Step 4: Simplify right side
    12,581,012.40x = 63,383,866,008,021.48
  5. Step 5: Solve for x
    x = 63,383,866,008,021.48/12,581,012.40
  6. Step 6: Final answer
    x = 5,038,057.67

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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.