Home / 18,990,707.30-26,181,147.19-12,017,916.26

Finding the Fourth Proportional to 18,990,707.30, 26,181,147.19 and 12,017,916.26

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Solution

The fourth proportional to 18,990,707.30, 26,181,147.19 and 12,017,916.26 is: 16,568,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990,707.30 : 26,181,147.19 = 12,017,916.26 : x
  2. Step 2: Convert to fraction form
    18,990,707.30/26,181,147.19 = 12,017,916.26/x
  3. Step 3: Cross multiply
    18,990,707.30x = 26,181,147.19 × 12,017,916.26
  4. Step 4: Simplify right side
    18,990,707.30x = 314,642,834,520,154.31
  5. Step 5: Solve for x
    x = 314,642,834,520,154.31/18,990,707.30
  6. Step 6: Final answer
    x = 16,568,252.54

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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.