Home / 19,309,083.19-26,653,526.99-12,784,814.57

Finding the Fourth Proportional to 19,309,083.19, 26,653,526.99 and 12,784,814.57

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Solution

The fourth proportional to 19,309,083.19, 26,653,526.99 and 12,784,814.57 is: 17,647,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,083.19 : 26,653,526.99 = 12,784,814.57 : x
  2. Step 2: Convert to fraction form
    19,309,083.19/26,653,526.99 = 12,784,814.57/x
  3. Step 3: Cross multiply
    19,309,083.19x = 26,653,526.99 × 12,784,814.57
  4. Step 4: Simplify right side
    19,309,083.19x = 340,760,400,104,366.94
  5. Step 5: Solve for x
    x = 340,760,400,104,366.94/19,309,083.19
  6. Step 6: Final answer
    x = 17,647,673.72

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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.