Home / 18,892,617.70-26,079,857.12-12,701,255.18

Finding the Fourth Proportional to 18,892,617.70, 26,079,857.12 and 12,701,255.18

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Solution

The fourth proportional to 18,892,617.70, 26,079,857.12 and 12,701,255.18 is: 17,533,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892,617.70 : 26,079,857.12 = 12,701,255.18 : x
  2. Step 2: Convert to fraction form
    18,892,617.70/26,079,857.12 = 12,701,255.18/x
  3. Step 3: Cross multiply
    18,892,617.70x = 26,079,857.12 × 12,701,255.18
  4. Step 4: Simplify right side
    18,892,617.70x = 331,246,920,145,154.31
  5. Step 5: Solve for x
    x = 331,246,920,145,154.31/18,892,617.70
  6. Step 6: Final answer
    x = 17,533,140.48

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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.