Home / 30,438,115.26-45,672,870.10-14,265,709.54

Finding the Fourth Proportional to 30,438,115.26, 45,672,870.10 and 14,265,709.54

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Solution

The fourth proportional to 30,438,115.26, 45,672,870.10 and 14,265,709.54 is: 21,405,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438,115.26 : 45,672,870.10 = 14,265,709.54 : x
  2. Step 2: Convert to fraction form
    30,438,115.26/45,672,870.10 = 14,265,709.54/x
  3. Step 3: Cross multiply
    30,438,115.26x = 45,672,870.10 × 14,265,709.54
  4. Step 4: Simplify right side
    30,438,115.26x = 651,555,898,704,750.75
  5. Step 5: Solve for x
    x = 651,555,898,704,750.75/30,438,115.26
  6. Step 6: Final answer
    x = 21,405,921.26

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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.