Home / 12,624,719.67-18,907,019.87-8,061,634.40

Finding the Fourth Proportional to 12,624,719.67, 18,907,019.87 and 8,061,634.40

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Solution

The fourth proportional to 12,624,719.67, 18,907,019.87 and 8,061,634.40 is: 12,073,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,719.67 : 18,907,019.87 = 8,061,634.40 : x
  2. Step 2: Convert to fraction form
    12,624,719.67/18,907,019.87 = 8,061,634.40/x
  3. Step 3: Cross multiply
    12,624,719.67x = 18,907,019.87 × 8,061,634.40
  4. Step 4: Simplify right side
    12,624,719.67x = 152,421,481,650,632.25
  5. Step 5: Solve for x
    x = 152,421,481,650,632.25/12,624,719.67
  6. Step 6: Final answer
    x = 12,073,256.72

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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.