Home / 12,618,272.65-18,919,828.90-4,932,763.90

Finding the Fourth Proportional to 12,618,272.65, 18,919,828.90 and 4,932,763.90

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Solution

The fourth proportional to 12,618,272.65, 18,919,828.90 and 4,932,763.90 is: 7,396,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,272.65 : 18,919,828.90 = 4,932,763.90 : x
  2. Step 2: Convert to fraction form
    12,618,272.65/18,919,828.90 = 4,932,763.90/x
  3. Step 3: Cross multiply
    12,618,272.65x = 18,919,828.90 × 4,932,763.90
  4. Step 4: Simplify right side
    12,618,272.65x = 93,327,048,992,096.70
  5. Step 5: Solve for x
    x = 93,327,048,992,096.70/12,618,272.65
  6. Step 6: Final answer
    x = 7,396,182.63

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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.