Home / 29,502,105.56-40,685,849.34-20,223,160.28

Finding the Fourth Proportional to 29,502,105.56, 40,685,849.34 and 20,223,160.28

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Solution

The fourth proportional to 29,502,105.56, 40,685,849.34 and 20,223,160.28 is: 27,889,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,502,105.56 : 40,685,849.34 = 20,223,160.28 : x
  2. Step 2: Convert to fraction form
    29,502,105.56/40,685,849.34 = 20,223,160.28/x
  3. Step 3: Cross multiply
    29,502,105.56x = 40,685,849.34 × 20,223,160.28
  4. Step 4: Simplify right side
    29,502,105.56x = 822,796,452,330,752.38
  5. Step 5: Solve for x
    x = 822,796,452,330,752.38/29,502,105.56
  6. Step 6: Final answer
    x = 27,889,414.56

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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.