Home / 25,794,930.40-38,636,408.40-21,315,954.40

Finding the Fourth Proportional to 25,794,930.40, 38,636,408.40 and 21,315,954.40

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Solution

The fourth proportional to 25,794,930.40, 38,636,408.40 and 21,315,954.40 is: 31,927,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794,930.40 : 38,636,408.40 = 21,315,954.40 : x
  2. Step 2: Convert to fraction form
    25,794,930.40/38,636,408.40 = 21,315,954.40/x
  3. Step 3: Cross multiply
    25,794,930.40x = 38,636,408.40 × 21,315,954.40
  4. Step 4: Simplify right side
    25,794,930.40x = 823,571,919,634,176.88
  5. Step 5: Solve for x
    x = 823,571,919,634,176.88/25,794,930.40
  6. Step 6: Final answer
    x = 31,927,665.90

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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.