Home / 12,183,371.55-18,273,001.50-5,707,139.67

Finding the Fourth Proportional to 12,183,371.55, 18,273,001.50 and 5,707,139.67

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Solution

The fourth proportional to 12,183,371.55, 18,273,001.50 and 5,707,139.67 is: 8,559,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,371.55 : 18,273,001.50 = 5,707,139.67 : x
  2. Step 2: Convert to fraction form
    12,183,371.55/18,273,001.50 = 5,707,139.67/x
  3. Step 3: Cross multiply
    12,183,371.55x = 18,273,001.50 × 5,707,139.67
  4. Step 4: Simplify right side
    12,183,371.55x = 104,286,571,659,254.50
  5. Step 5: Solve for x
    x = 104,286,571,659,254.50/12,183,371.55
  6. Step 6: Final answer
    x = 8,559,746.48

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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.