Home / 25,549,777.31-38,324,667.64-20,408,134.09

Finding the Fourth Proportional to 25,549,777.31, 38,324,667.64 and 20,408,134.09

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Solution

The fourth proportional to 25,549,777.31, 38,324,667.64 and 20,408,134.09 is: 30,612,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549,777.31 : 38,324,667.64 = 20,408,134.09 : x
  2. Step 2: Convert to fraction form
    25,549,777.31/38,324,667.64 = 20,408,134.09/x
  3. Step 3: Cross multiply
    25,549,777.31x = 38,324,667.64 × 20,408,134.09
  4. Step 4: Simplify right side
    25,549,777.31x = 782,134,956,151,803.88
  5. Step 5: Solve for x
    x = 782,134,956,151,803.88/25,549,777.31
  6. Step 6: Final answer
    x = 30,612,202.47

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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.