Home / 25,508,830.40-38,236,876-11,850,833.60

Finding the Fourth Proportional to 25,508,830.40, 38,236,876 and 11,850,833.60

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Solution

The fourth proportional to 25,508,830.40, 38,236,876 and 11,850,833.60 is: 17,763,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508,830.40 : 38,236,876 = 11,850,833.60 : x
  2. Step 2: Convert to fraction form
    25,508,830.40/38,236,876 = 11,850,833.60/x
  3. Step 3: Cross multiply
    25,508,830.40x = 38,236,876 × 11,850,833.60
  4. Step 4: Simplify right side
    25,508,830.40x = 453,138,854,859,833.56
  5. Step 5: Solve for x
    x = 453,138,854,859,833.56/25,508,830.40
  6. Step 6: Final answer
    x = 17,763,999.67

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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.