Home / 30,224,028.30-45,336,042.45-18,130,793.10

Finding the Fourth Proportional to 30,224,028.30, 45,336,042.45 and 18,130,793.10

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Solution

The fourth proportional to 30,224,028.30, 45,336,042.45 and 18,130,793.10 is: 27,196,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224,028.30 : 45,336,042.45 = 18,130,793.10 : x
  2. Step 2: Convert to fraction form
    30,224,028.30/45,336,042.45 = 18,130,793.10/x
  3. Step 3: Cross multiply
    30,224,028.30x = 45,336,042.45 × 18,130,793.10
  4. Step 4: Simplify right side
    30,224,028.30x = 821,978,405,633,767.25
  5. Step 5: Solve for x
    x = 821,978,405,633,767.25/30,224,028.30
  6. Step 6: Final answer
    x = 27,196,189.65

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1.5x scale

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.