Home / 19,947,019.63-29,920,537.65-4,800,951.13

Finding the Fourth Proportional to 19,947,019.63, 29,920,537.65 and 4,800,951.13

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Solution

The fourth proportional to 19,947,019.63, 29,920,537.65 and 4,800,951.13 is: 7,201,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,019.63 : 29,920,537.65 = 4,800,951.13 : x
  2. Step 2: Convert to fraction form
    19,947,019.63/29,920,537.65 = 4,800,951.13/x
  3. Step 3: Cross multiply
    19,947,019.63x = 29,920,537.65 × 4,800,951.13
  4. Step 4: Simplify right side
    19,947,019.63x = 143,647,039,040,975.03
  5. Step 5: Solve for x
    x = 143,647,039,040,975.03/19,947,019.63
  6. Step 6: Final answer
    x = 7,201,428.67

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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.