Home / 38,109,282.89-52,591,288.70-20,705,918.75

Finding the Fourth Proportional to 38,109,282.89, 52,591,288.70 and 20,705,918.75

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Solution

The fourth proportional to 38,109,282.89, 52,591,288.70 and 20,705,918.75 is: 28,574,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109,282.89 : 52,591,288.70 = 20,705,918.75 : x
  2. Step 2: Convert to fraction form
    38,109,282.89/52,591,288.70 = 20,705,918.75/x
  3. Step 3: Cross multiply
    38,109,282.89x = 52,591,288.70 × 20,705,918.75
  4. Step 4: Simplify right side
    38,109,282.89x = 1,088,950,950,413,507.12
  5. Step 5: Solve for x
    x = 1,088,950,950,413,507.12/38,109,282.89
  6. Step 6: Final answer
    x = 28,574,427.74

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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.