Home / 19,179,136.61-28,780,054.89-7,057,112.60

Finding the Fourth Proportional to 19,179,136.61, 28,780,054.89 and 7,057,112.60

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Solution

The fourth proportional to 19,179,136.61, 28,780,054.89 and 7,057,112.60 is: 10,589,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,136.61 : 28,780,054.89 = 7,057,112.60 : x
  2. Step 2: Convert to fraction form
    19,179,136.61/28,780,054.89 = 7,057,112.60/x
  3. Step 3: Cross multiply
    19,179,136.61x = 28,780,054.89 × 7,057,112.60
  4. Step 4: Simplify right side
    19,179,136.61x = 203,104,087,849,010.34
  5. Step 5: Solve for x
    x = 203,104,087,849,010.34/19,179,136.61
  6. Step 6: Final answer
    x = 10,589,845.21

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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.