Home / 19,645,986.96-26,915,132.75-18,909,640.98

Finding the Fourth Proportional to 19,645,986.96, 26,915,132.75 and 18,909,640.98

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Solution

The fourth proportional to 19,645,986.96, 26,915,132.75 and 18,909,640.98 is: 25,906,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645,986.96 : 26,915,132.75 = 18,909,640.98 : x
  2. Step 2: Convert to fraction form
    19,645,986.96/26,915,132.75 = 18,909,640.98/x
  3. Step 3: Cross multiply
    19,645,986.96x = 26,915,132.75 × 18,909,640.98
  4. Step 4: Simplify right side
    19,645,986.96x = 508,955,497,136,991.94
  5. Step 5: Solve for x
    x = 508,955,497,136,991.94/19,645,986.96
  6. Step 6: Final answer
    x = 25,906,333.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.