Home / 19,378,917.66-26,743,510.08-11,120,492.20

Finding the Fourth Proportional to 19,378,917.66, 26,743,510.08 and 11,120,492.20

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Solution

The fourth proportional to 19,378,917.66, 26,743,510.08 and 11,120,492.20 is: 15,346,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,917.66 : 26,743,510.08 = 11,120,492.20 : x
  2. Step 2: Convert to fraction form
    19,378,917.66/26,743,510.08 = 11,120,492.20/x
  3. Step 3: Cross multiply
    19,378,917.66x = 26,743,510.08 × 11,120,492.20
  4. Step 4: Simplify right side
    19,378,917.66x = 297,400,995,245,261.31
  5. Step 5: Solve for x
    x = 297,400,995,245,261.31/19,378,917.66
  6. Step 6: Final answer
    x = 15,346,625.67

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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.