Home / 19,936,036.20-29,904,054.30-12,283,285.80

Finding the Fourth Proportional to 19,936,036.20, 29,904,054.30 and 12,283,285.80

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Solution

The fourth proportional to 19,936,036.20, 29,904,054.30 and 12,283,285.80 is: 18,424,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,036.20 : 29,904,054.30 = 12,283,285.80 : x
  2. Step 2: Convert to fraction form
    19,936,036.20/29,904,054.30 = 12,283,285.80/x
  3. Step 3: Cross multiply
    19,936,036.20x = 29,904,054.30 × 12,283,285.80
  4. Step 4: Simplify right side
    19,936,036.20x = 367,320,045,545,619
  5. Step 5: Solve for x
    x = 367,320,045,545,619/19,936,036.20
  6. Step 6: Final answer
    x = 18,424,928.70

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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.