Home / 21,752,133.75-30,017,345.09-11,962,577.70

Finding the Fourth Proportional to 21,752,133.75, 30,017,345.09 and 11,962,577.70

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Solution

The fourth proportional to 21,752,133.75, 30,017,345.09 and 11,962,577.70 is: 16,508,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752,133.75 : 30,017,345.09 = 11,962,577.70 : x
  2. Step 2: Convert to fraction form
    21,752,133.75/30,017,345.09 = 11,962,577.70/x
  3. Step 3: Cross multiply
    21,752,133.75x = 30,017,345.09 × 11,962,577.70
  4. Step 4: Simplify right side
    21,752,133.75x = 359,084,822,927,025.56
  5. Step 5: Solve for x
    x = 359,084,822,927,025.56/21,752,133.75
  6. Step 6: Final answer
    x = 16,508,027.54

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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.