Home / 38,467,343.70-53,084,945.75-20,826,242.75

Finding the Fourth Proportional to 38,467,343.70, 53,084,945.75 and 20,826,242.75

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Solution

The fourth proportional to 38,467,343.70, 53,084,945.75 and 20,826,242.75 is: 28,740,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467,343.70 : 53,084,945.75 = 20,826,242.75 : x
  2. Step 2: Convert to fraction form
    38,467,343.70/53,084,945.75 = 20,826,242.75/x
  3. Step 3: Cross multiply
    38,467,343.70x = 53,084,945.75 × 20,826,242.75
  4. Step 4: Simplify right side
    38,467,343.70x = 1,105,559,966,588,662
  5. Step 5: Solve for x
    x = 1,105,559,966,588,662/38,467,343.70
  6. Step 6: Final answer
    x = 28,740,221.19

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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.