Home / 20,353,488.80-30,505,220.70-9,408,874

Finding the Fourth Proportional to 20,353,488.80, 30,505,220.70 and 9,408,874

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Solution

The fourth proportional to 20,353,488.80, 30,505,220.70 and 9,408,874 is: 14,101,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353,488.80 : 30,505,220.70 = 9,408,874 : x
  2. Step 2: Convert to fraction form
    20,353,488.80/30,505,220.70 = 9,408,874/x
  3. Step 3: Cross multiply
    20,353,488.80x = 30,505,220.70 × 9,408,874
  4. Step 4: Simplify right side
    20,353,488.80x = 287,019,777,908,491.81
  5. Step 5: Solve for x
    x = 287,019,777,908,491.81/20,353,488.80
  6. Step 6: Final answer
    x = 14,101,748.39

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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.