Home / 48,555,791.70-72,833,687.55-12,653,999.70

Finding the Fourth Proportional to 48,555,791.70, 72,833,687.55 and 12,653,999.70

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Solution

The fourth proportional to 48,555,791.70, 72,833,687.55 and 12,653,999.70 is: 18,980,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,555,791.70 : 72,833,687.55 = 12,653,999.70 : x
  2. Step 2: Convert to fraction form
    48,555,791.70/72,833,687.55 = 12,653,999.70/x
  3. Step 3: Cross multiply
    48,555,791.70x = 72,833,687.55 × 12,653,999.70
  4. Step 4: Simplify right side
    48,555,791.70x = 921,637,460,407,593.62
  5. Step 5: Solve for x
    x = 921,637,460,407,593.62/48,555,791.70
  6. Step 6: Final answer
    x = 18,980,999.55

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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.