Home / 7,408,405.60-11,112,608.40-3,148,712.80

Finding the Fourth Proportional to 7,408,405.60, 11,112,608.40 and 3,148,712.80

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Solution

The fourth proportional to 7,408,405.60, 11,112,608.40 and 3,148,712.80 is: 4,723,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,405.60 : 11,112,608.40 = 3,148,712.80 : x
  2. Step 2: Convert to fraction form
    7,408,405.60/11,112,608.40 = 3,148,712.80/x
  3. Step 3: Cross multiply
    7,408,405.60x = 11,112,608.40 × 3,148,712.80
  4. Step 4: Simplify right side
    7,408,405.60x = 34,990,412,310,467.52
  5. Step 5: Solve for x
    x = 34,990,412,310,467.52/7,408,405.60
  6. Step 6: Final answer
    x = 4,723,069.20

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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.