Home / 13,305,605.60-19,958,408.40-11,959,288.40

Finding the Fourth Proportional to 13,305,605.60, 19,958,408.40 and 11,959,288.40

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Solution

The fourth proportional to 13,305,605.60, 19,958,408.40 and 11,959,288.40 is: 17,938,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,605.60 : 19,958,408.40 = 11,959,288.40 : x
  2. Step 2: Convert to fraction form
    13,305,605.60/19,958,408.40 = 11,959,288.40/x
  3. Step 3: Cross multiply
    13,305,605.60x = 19,958,408.40 × 11,959,288.40
  4. Step 4: Simplify right side
    13,305,605.60x = 238,688,362,060,582.56
  5. Step 5: Solve for x
    x = 238,688,362,060,582.56/13,305,605.60
  6. Step 6: Final answer
    x = 17,938,932.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.