Home / 12,147,117.40-18,206,679.30-4,953,928.60

Finding the Fourth Proportional to 12,147,117.40, 18,206,679.30 and 4,953,928.60

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Solution

The fourth proportional to 12,147,117.40, 18,206,679.30 and 4,953,928.60 is: 7,425,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,117.40 : 18,206,679.30 = 4,953,928.60 : x
  2. Step 2: Convert to fraction form
    12,147,117.40/18,206,679.30 = 4,953,928.60/x
  3. Step 3: Cross multiply
    12,147,117.40x = 18,206,679.30 × 4,953,928.60
  4. Step 4: Simplify right side
    12,147,117.40x = 90,194,589,295,297.98
  5. Step 5: Solve for x
    x = 90,194,589,295,297.98/12,147,117.40
  6. Step 6: Final answer
    x = 7,425,184.62

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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.