Home / 13,096,729.89-19,630,197.72-7,967,853.90

Finding the Fourth Proportional to 13,096,729.89, 19,630,197.72 and 7,967,853.90

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Solution

The fourth proportional to 13,096,729.89, 19,630,197.72 and 7,967,853.90 is: 11,942,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,729.89 : 19,630,197.72 = 7,967,853.90 : x
  2. Step 2: Convert to fraction form
    13,096,729.89/19,630,197.72 = 7,967,853.90/x
  3. Step 3: Cross multiply
    13,096,729.89x = 19,630,197.72 × 7,967,853.90
  4. Step 4: Simplify right side
    13,096,729.89x = 156,410,547,461,073.09
  5. Step 5: Solve for x
    x = 156,410,547,461,073.09/13,096,729.89
  6. Step 6: Final answer
    x = 11,942,717.67

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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.