Home / 7,722,980.40-11,590,000.20-3,238,474.80

Finding the Fourth Proportional to 7,722,980.40, 11,590,000.20 and 3,238,474.80

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Solution

The fourth proportional to 7,722,980.40, 11,590,000.20 and 3,238,474.80 is: 4,860,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,980.40 : 11,590,000.20 = 3,238,474.80 : x
  2. Step 2: Convert to fraction form
    7,722,980.40/11,590,000.20 = 3,238,474.80/x
  3. Step 3: Cross multiply
    7,722,980.40x = 11,590,000.20 × 3,238,474.80
  4. Step 4: Simplify right side
    7,722,980.40x = 37,533,923,579,694.95
  5. Step 5: Solve for x
    x = 37,533,923,579,694.95/7,722,980.40
  6. Step 6: Final answer
    x = 4,860,030.93

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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.