Home / 27,646,765.12-38,153,452.23-15,088,507.44

Finding the Fourth Proportional to 27,646,765.12, 38,153,452.23 and 15,088,507.44

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Solution

The fourth proportional to 27,646,765.12, 38,153,452.23 and 15,088,507.44 is: 20,822,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646,765.12 : 38,153,452.23 = 15,088,507.44 : x
  2. Step 2: Convert to fraction form
    27,646,765.12/38,153,452.23 = 15,088,507.44/x
  3. Step 3: Cross multiply
    27,646,765.12x = 38,153,452.23 × 15,088,507.44
  4. Step 4: Simplify right side
    27,646,765.12x = 575,678,647,690,964.12
  5. Step 5: Solve for x
    x = 575,678,647,690,964.12/27,646,765.12
  6. Step 6: Final answer
    x = 20,822,640.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.