Home / 14,787,075.62-20,510,561.78-14,393,809.28

Finding the Fourth Proportional to 14,787,075.62, 20,510,561.78 and 14,393,809.28

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Solution

The fourth proportional to 14,787,075.62, 20,510,561.78 and 14,393,809.28 is: 19,965,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787,075.62 : 20,510,561.78 = 14,393,809.28 : x
  2. Step 2: Convert to fraction form
    14,787,075.62/20,510,561.78 = 14,393,809.28/x
  3. Step 3: Cross multiply
    14,787,075.62x = 20,510,561.78 × 14,393,809.28
  4. Step 4: Simplify right side
    14,787,075.62x = 295,225,114,486,977.31
  5. Step 5: Solve for x
    x = 295,225,114,486,977.31/14,787,075.62
  6. Step 6: Final answer
    x = 19,965,077.75

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.