Home / 19,526,206.79-26,940,711.43-15,383,378.77

Finding the Fourth Proportional to 19,526,206.79, 26,940,711.43 and 15,383,378.77

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Solution

The fourth proportional to 19,526,206.79, 26,940,711.43 and 15,383,378.77 is: 21,224,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526,206.79 : 26,940,711.43 = 15,383,378.77 : x
  2. Step 2: Convert to fraction form
    19,526,206.79/26,940,711.43 = 15,383,378.77/x
  3. Step 3: Cross multiply
    19,526,206.79x = 26,940,711.43 × 15,383,378.77
  4. Step 4: Simplify right side
    19,526,206.79x = 414,439,168,260,958.31
  5. Step 5: Solve for x
    x = 414,439,168,260,958.31/19,526,206.79
  6. Step 6: Final answer
    x = 21,224,765.91

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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.