Home / 26,418,720.81-39,582,905.90-20,659,230.39

Finding the Fourth Proportional to 26,418,720.81, 39,582,905.90 and 20,659,230.39

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Solution

The fourth proportional to 26,418,720.81, 39,582,905.90 and 20,659,230.39 is: 30,953,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418,720.81 : 39,582,905.90 = 20,659,230.39 : x
  2. Step 2: Convert to fraction form
    26,418,720.81/39,582,905.90 = 20,659,230.39/x
  3. Step 3: Cross multiply
    26,418,720.81x = 39,582,905.90 × 20,659,230.39
  4. Step 4: Simplify right side
    26,418,720.81x = 817,752,372,390,494.25
  5. Step 5: Solve for x
    x = 817,752,372,390,494.25/26,418,720.81
  6. Step 6: Final answer
    x = 30,953,518.84

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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.