Home / 36,708,621.80-50,653,926.94-21,235,815.52

Finding the Fourth Proportional to 36,708,621.80, 50,653,926.94 and 21,235,815.52

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Solution

The fourth proportional to 36,708,621.80, 50,653,926.94 and 21,235,815.52 is: 29,303,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708,621.80 : 50,653,926.94 = 21,235,815.52 : x
  2. Step 2: Convert to fraction form
    36,708,621.80/50,653,926.94 = 21,235,815.52/x
  3. Step 3: Cross multiply
    36,708,621.80x = 50,653,926.94 × 21,235,815.52
  4. Step 4: Simplify right side
    36,708,621.80x = 1,075,677,447,861,398
  5. Step 5: Solve for x
    x = 1,075,677,447,861,398/36,708,621.80
  6. Step 6: Final answer
    x = 29,303,128.12

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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.