Home / 18,254,523.90-25,190,244.08-9,992,988.30

Finding the Fourth Proportional to 18,254,523.90, 25,190,244.08 and 9,992,988.30

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Solution

The fourth proportional to 18,254,523.90, 25,190,244.08 and 9,992,988.30 is: 13,789,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,523.90 : 25,190,244.08 = 9,992,988.30 : x
  2. Step 2: Convert to fraction form
    18,254,523.90/25,190,244.08 = 9,992,988.30/x
  3. Step 3: Cross multiply
    18,254,523.90x = 25,190,244.08 × 9,992,988.30
  4. Step 4: Simplify right side
    18,254,523.90x = 251,725,814,365,584.25
  5. Step 5: Solve for x
    x = 251,725,814,365,584.25/18,254,523.90
  6. Step 6: Final answer
    x = 13,789,777.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.