Home / 7,776,015.60-11,664,023.40-4,939,330.80

Finding the Fourth Proportional to 7,776,015.60, 11,664,023.40 and 4,939,330.80

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Solution

The fourth proportional to 7,776,015.60, 11,664,023.40 and 4,939,330.80 is: 7,408,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,015.60 : 11,664,023.40 = 4,939,330.80 : x
  2. Step 2: Convert to fraction form
    7,776,015.60/11,664,023.40 = 4,939,330.80/x
  3. Step 3: Cross multiply
    7,776,015.60x = 11,664,023.40 × 4,939,330.80
  4. Step 4: Simplify right side
    7,776,015.60x = 57,612,470,031,540.72
  5. Step 5: Solve for x
    x = 57,612,470,031,540.72/7,776,015.60
  6. Step 6: Final answer
    x = 7,408,996.20

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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.