Home / 19,646,644.61-26,915,999.16-18,910,293.86

Finding the Fourth Proportional to 19,646,644.61, 26,915,999.16 and 18,910,293.86

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Solution

The fourth proportional to 19,646,644.61, 26,915,999.16 and 18,910,293.86 is: 25,907,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646,644.61 : 26,915,999.16 = 18,910,293.86 : x
  2. Step 2: Convert to fraction form
    19,646,644.61/26,915,999.16 = 18,910,293.86/x
  3. Step 3: Cross multiply
    19,646,644.61x = 26,915,999.16 × 18,910,293.86
  4. Step 4: Simplify right side
    19,646,644.61x = 508,989,453,682,946.31
  5. Step 5: Solve for x
    x = 508,989,453,682,946.31/19,646,644.61
  6. Step 6: Final answer
    x = 25,907,195.03

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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.