Home / 20,002,022.70-30,003,034.05-19,162,214.70

Finding the Fourth Proportional to 20,002,022.70, 30,003,034.05 and 19,162,214.70

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Solution

The fourth proportional to 20,002,022.70, 30,003,034.05 and 19,162,214.70 is: 28,743,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,022.70 : 30,003,034.05 = 19,162,214.70 : x
  2. Step 2: Convert to fraction form
    20,002,022.70/30,003,034.05 = 19,162,214.70/x
  3. Step 3: Cross multiply
    20,002,022.70x = 30,003,034.05 × 19,162,214.70
  4. Step 4: Simplify right side
    20,002,022.70x = 574,924,580,117,510.50
  5. Step 5: Solve for x
    x = 574,924,580,117,510.50/20,002,022.70
  6. Step 6: Final answer
    x = 28,743,322.05

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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.