Home / 10,282,120.20-15,420,071.43-3,091,745.34

Finding the Fourth Proportional to 10,282,120.20, 15,420,071.43 and 3,091,745.34

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Solution

The fourth proportional to 10,282,120.20, 15,420,071.43 and 3,091,745.34 is: 4,636,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,120.20 : 15,420,071.43 = 3,091,745.34 : x
  2. Step 2: Convert to fraction form
    10,282,120.20/15,420,071.43 = 3,091,745.34/x
  3. Step 3: Cross multiply
    10,282,120.20x = 15,420,071.43 × 3,091,745.34
  4. Step 4: Simplify right side
    10,282,120.20x = 47,674,933,986,169.63
  5. Step 5: Solve for x
    x = 47,674,933,986,169.63/10,282,120.20
  6. Step 6: Final answer
    x = 4,636,683.20

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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.