Home / 19,309,085.19-26,653,529.75-12,784,816.57

Finding the Fourth Proportional to 19,309,085.19, 26,653,529.75 and 12,784,816.57

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Solution

The fourth proportional to 19,309,085.19, 26,653,529.75 and 12,784,816.57 is: 17,647,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,085.19 : 26,653,529.75 = 12,784,816.57 : x
  2. Step 2: Convert to fraction form
    19,309,085.19/26,653,529.75 = 12,784,816.57/x
  3. Step 3: Cross multiply
    19,309,085.19x = 26,653,529.75 × 12,784,816.57
  4. Step 4: Simplify right side
    19,309,085.19x = 340,760,488,796,787.94
  5. Step 5: Solve for x
    x = 340,760,488,796,787.94/19,309,085.19
  6. Step 6: Final answer
    x = 17,647,676.49

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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.