Home / 13,206,483.25-18,217,225.59-8,303,943.67

Finding the Fourth Proportional to 13,206,483.25, 18,217,225.59 and 8,303,943.67

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Solution

The fourth proportional to 13,206,483.25, 18,217,225.59 and 8,303,943.67 is: 11,454,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,483.25 : 18,217,225.59 = 8,303,943.67 : x
  2. Step 2: Convert to fraction form
    13,206,483.25/18,217,225.59 = 8,303,943.67/x
  3. Step 3: Cross multiply
    13,206,483.25x = 18,217,225.59 × 8,303,943.67
  4. Step 4: Simplify right side
    13,206,483.25x = 151,274,815,123,042.50
  5. Step 5: Solve for x
    x = 151,274,815,123,042.50/13,206,483.25
  6. Step 6: Final answer
    x = 11,454,587.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.