Home / 20,352,034.70-30,528,052.05-20,210,317.10

Finding the Fourth Proportional to 20,352,034.70, 30,528,052.05 and 20,210,317.10

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Solution

The fourth proportional to 20,352,034.70, 30,528,052.05 and 20,210,317.10 is: 30,315,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,034.70 : 30,528,052.05 = 20,210,317.10 : x
  2. Step 2: Convert to fraction form
    20,352,034.70/30,528,052.05 = 20,210,317.10/x
  3. Step 3: Cross multiply
    20,352,034.70x = 30,528,052.05 × 20,210,317.10
  4. Step 4: Simplify right side
    20,352,034.70x = 616,981,612,375,805.12
  5. Step 5: Solve for x
    x = 616,981,612,375,805.12/20,352,034.70
  6. Step 6: Final answer
    x = 30,315,475.65

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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.