Home / 18,717,067.80-28,075,601.70-4,533,643.80

Finding the Fourth Proportional to 18,717,067.80, 28,075,601.70 and 4,533,643.80

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Solution

The fourth proportional to 18,717,067.80, 28,075,601.70 and 4,533,643.80 is: 6,800,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,067.80 : 28,075,601.70 = 4,533,643.80 : x
  2. Step 2: Convert to fraction form
    18,717,067.80/28,075,601.70 = 4,533,643.80/x
  3. Step 3: Cross multiply
    18,717,067.80x = 28,075,601.70 × 4,533,643.80
  4. Step 4: Simplify right side
    18,717,067.80x = 127,284,777,578,474.45
  5. Step 5: Solve for x
    x = 127,284,777,578,474.45/18,717,067.80
  6. Step 6: Final answer
    x = 6,800,465.70

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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.