Home / 8,285,912.40-12,407,873.40-6,606,296.40

Finding the Fourth Proportional to 8,285,912.40, 12,407,873.40 and 6,606,296.40

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Solution

The fourth proportional to 8,285,912.40, 12,407,873.40 and 6,606,296.40 is: 9,892,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,912.40 : 12,407,873.40 = 6,606,296.40 : x
  2. Step 2: Convert to fraction form
    8,285,912.40/12,407,873.40 = 6,606,296.40/x
  3. Step 3: Cross multiply
    8,285,912.40x = 12,407,873.40 × 6,606,296.40
  4. Step 4: Simplify right side
    8,285,912.40x = 81,970,089,374,075.77
  5. Step 5: Solve for x
    x = 81,970,089,374,075.77/8,285,912.40
  6. Step 6: Final answer
    x = 9,892,705.28

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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.