Home / 18,715,067.52-28,075,279.17-5,762,314.14

Finding the Fourth Proportional to 18,715,067.52, 28,075,279.17 and 5,762,314.14

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Solution

The fourth proportional to 18,715,067.52, 28,075,279.17 and 5,762,314.14 is: 8,644,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,067.52 : 28,075,279.17 = 5,762,314.14 : x
  2. Step 2: Convert to fraction form
    18,715,067.52/28,075,279.17 = 5,762,314.14/x
  3. Step 3: Cross multiply
    18,715,067.52x = 28,075,279.17 × 5,762,314.14
  4. Step 4: Simplify right side
    18,715,067.52x = 161,778,578,075,550.28
  5. Step 5: Solve for x
    x = 161,778,578,075,550.28/18,715,067.52
  6. Step 6: Final answer
    x = 8,644,295.72

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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.