Home / 12,168,809.24-18,226,972.56-11,453,356.76

Finding the Fourth Proportional to 12,168,809.24, 18,226,972.56 and 11,453,356.76

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Solution

The fourth proportional to 12,168,809.24, 18,226,972.56 and 11,453,356.76 is: 17,155,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,809.24 : 18,226,972.56 = 11,453,356.76 : x
  2. Step 2: Convert to fraction form
    12,168,809.24/18,226,972.56 = 11,453,356.76/x
  3. Step 3: Cross multiply
    12,168,809.24x = 18,226,972.56 × 11,453,356.76
  4. Step 4: Simplify right side
    12,168,809.24x = 208,760,019,384,410.50
  5. Step 5: Solve for x
    x = 208,760,019,384,410.50/12,168,809.24
  6. Step 6: Final answer
    x = 17,155,336.67

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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.