Home / 20,342,075.58-28,079,430.57-13,468,771.98

Finding the Fourth Proportional to 20,342,075.58, 28,079,430.57 and 13,468,771.98

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Solution

The fourth proportional to 20,342,075.58, 28,079,430.57 and 13,468,771.98 is: 18,591,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,075.58 : 28,079,430.57 = 13,468,771.98 : x
  2. Step 2: Convert to fraction form
    20,342,075.58/28,079,430.57 = 13,468,771.98/x
  3. Step 3: Cross multiply
    20,342,075.58x = 28,079,430.57 × 13,468,771.98
  4. Step 4: Simplify right side
    20,342,075.58x = 378,195,447,675,571.44
  5. Step 5: Solve for x
    x = 378,195,447,675,571.44/20,342,075.58
  6. Step 6: Final answer
    x = 18,591,782.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.