Home / 13,296,005.60-19,959,754.80-7,543,320.80

Finding the Fourth Proportional to 13,296,005.60, 19,959,754.80 and 7,543,320.80

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Solution

The fourth proportional to 13,296,005.60, 19,959,754.80 and 7,543,320.80 is: 11,323,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,005.60 : 19,959,754.80 = 7,543,320.80 : x
  2. Step 2: Convert to fraction form
    13,296,005.60/19,959,754.80 = 7,543,320.80/x
  3. Step 3: Cross multiply
    13,296,005.60x = 19,959,754.80 × 7,543,320.80
  4. Step 4: Simplify right side
    13,296,005.60x = 150,562,833,545,739.84
  5. Step 5: Solve for x
    x = 150,562,833,545,739.84/13,296,005.60
  6. Step 6: Final answer
    x = 11,323,914.72

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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.