Home / 8,075,416.80-12,117,790.80-3,027,237.60

Finding the Fourth Proportional to 8,075,416.80, 12,117,790.80 and 3,027,237.60

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Solution

The fourth proportional to 8,075,416.80, 12,117,790.80 and 3,027,237.60 is: 4,542,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,416.80 : 12,117,790.80 = 3,027,237.60 : x
  2. Step 2: Convert to fraction form
    8,075,416.80/12,117,790.80 = 3,027,237.60/x
  3. Step 3: Cross multiply
    8,075,416.80x = 12,117,790.80 × 3,027,237.60
  4. Step 4: Simplify right side
    8,075,416.80x = 36,683,431,938,694.09
  5. Step 5: Solve for x
    x = 36,683,431,938,694.09/8,075,416.80
  6. Step 6: Final answer
    x = 4,542,605.40

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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.