Home / 18,940,570.74-26,120,556.34-12,411,829

Finding the Fourth Proportional to 18,940,570.74, 26,120,556.34 and 12,411,829

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Solution

The fourth proportional to 18,940,570.74, 26,120,556.34 and 12,411,829 is: 17,116,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,570.74 : 26,120,556.34 = 12,411,829 : x
  2. Step 2: Convert to fraction form
    18,940,570.74/26,120,556.34 = 12,411,829/x
  3. Step 3: Cross multiply
    18,940,570.74x = 26,120,556.34 × 12,411,829
  4. Step 4: Simplify right side
    18,940,570.74x = 324,203,878,676,945.88
  5. Step 5: Solve for x
    x = 324,203,878,676,945.88/18,940,570.74
  6. Step 6: Final answer
    x = 17,116,901.23

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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.