Home / 7,779,540.20-11,668,888.47-2,388,191.54

Finding the Fourth Proportional to 7,779,540.20, 11,668,888.47 and 2,388,191.54

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Solution

The fourth proportional to 7,779,540.20, 11,668,888.47 and 2,388,191.54 is: 3,582,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,540.20 : 11,668,888.47 = 2,388,191.54 : x
  2. Step 2: Convert to fraction form
    7,779,540.20/11,668,888.47 = 2,388,191.54/x
  3. Step 3: Cross multiply
    7,779,540.20x = 11,668,888.47 × 2,388,191.54
  4. Step 4: Simplify right side
    7,779,540.20x = 27,867,540,725,257.55
  5. Step 5: Solve for x
    x = 27,867,540,725,257.55/7,779,540.20
  6. Step 6: Final answer
    x = 3,582,157.82

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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.