Home / 20,016,645.40-30,024,968.10-13,202,390.80

Finding the Fourth Proportional to 20,016,645.40, 30,024,968.10 and 13,202,390.80

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Solution

The fourth proportional to 20,016,645.40, 30,024,968.10 and 13,202,390.80 is: 19,803,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016,645.40 : 30,024,968.10 = 13,202,390.80 : x
  2. Step 2: Convert to fraction form
    20,016,645.40/30,024,968.10 = 13,202,390.80/x
  3. Step 3: Cross multiply
    20,016,645.40x = 30,024,968.10 × 13,202,390.80
  4. Step 4: Simplify right side
    20,016,645.40x = 396,401,362,613,733.50
  5. Step 5: Solve for x
    x = 396,401,362,613,733.50/20,016,645.40
  6. Step 6: Final answer
    x = 19,803,586.20

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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.