Home / 18,991,646.83-26,198,916.91-12,464,370.37

Finding the Fourth Proportional to 18,991,646.83, 26,198,916.91 and 12,464,370.37

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Solution

The fourth proportional to 18,991,646.83, 26,198,916.91 and 12,464,370.37 is: 17,194,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991,646.83 : 26,198,916.91 = 12,464,370.37 : x
  2. Step 2: Convert to fraction form
    18,991,646.83/26,198,916.91 = 12,464,370.37/x
  3. Step 3: Cross multiply
    18,991,646.83x = 26,198,916.91 × 12,464,370.37
  4. Step 4: Simplify right side
    18,991,646.83x = 326,553,003,659,095.94
  5. Step 5: Solve for x
    x = 326,553,003,659,095.94/18,991,646.83
  6. Step 6: Final answer
    x = 17,194,559.62

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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.