Home / 14,489,417.80-21,720,302.70-5,389,078.60

Finding the Fourth Proportional to 14,489,417.80, 21,720,302.70 and 5,389,078.60

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Solution

The fourth proportional to 14,489,417.80, 21,720,302.70 and 5,389,078.60 is: 8,078,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,417.80 : 21,720,302.70 = 5,389,078.60 : x
  2. Step 2: Convert to fraction form
    14,489,417.80/21,720,302.70 = 5,389,078.60/x
  3. Step 3: Cross multiply
    14,489,417.80x = 21,720,302.70 × 5,389,078.60
  4. Step 4: Simplify right side
    14,489,417.80x = 117,052,418,466,092.20
  5. Step 5: Solve for x
    x = 117,052,418,466,092.20/14,489,417.80
  6. Step 6: Final answer
    x = 8,078,476.31

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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.