Home / 20,030,570.10-30,045,855.15-19,817,993.70

Finding the Fourth Proportional to 20,030,570.10, 30,045,855.15 and 19,817,993.70

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Solution

The fourth proportional to 20,030,570.10, 30,045,855.15 and 19,817,993.70 is: 29,726,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,570.10 : 30,045,855.15 = 19,817,993.70 : x
  2. Step 2: Convert to fraction form
    20,030,570.10/30,045,855.15 = 19,817,993.70/x
  3. Step 3: Cross multiply
    20,030,570.10x = 30,045,855.15 × 19,817,993.70
  4. Step 4: Simplify right side
    20,030,570.10x = 595,448,568,073,812.50
  5. Step 5: Solve for x
    x = 595,448,568,073,812.50/20,030,570.10
  6. Step 6: Final answer
    x = 29,726,990.55

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Similar ratio
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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.