Home / 20,233,370.20-30,350,055.30-18,107,606.20

Finding the Fourth Proportional to 20,233,370.20, 30,350,055.30 and 18,107,606.20

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Solution

The fourth proportional to 20,233,370.20, 30,350,055.30 and 18,107,606.20 is: 27,161,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233,370.20 : 30,350,055.30 = 18,107,606.20 : x
  2. Step 2: Convert to fraction form
    20,233,370.20/30,350,055.30 = 18,107,606.20/x
  3. Step 3: Cross multiply
    20,233,370.20x = 30,350,055.30 × 18,107,606.20
  4. Step 4: Simplify right side
    20,233,370.20x = 549,566,849,520,622.88
  5. Step 5: Solve for x
    x = 549,566,849,520,622.88/20,233,370.20
  6. Step 6: Final answer
    x = 27,161,409.30

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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.