Home / 36,708,622.80-50,653,928.32-21,235,816.52

Finding the Fourth Proportional to 36,708,622.80, 50,653,928.32 and 21,235,816.52

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Solution

The fourth proportional to 36,708,622.80, 50,653,928.32 and 21,235,816.52 is: 29,303,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708,622.80 : 50,653,928.32 = 21,235,816.52 : x
  2. Step 2: Convert to fraction form
    36,708,622.80/50,653,928.32 = 21,235,816.52/x
  3. Step 3: Cross multiply
    36,708,622.80x = 50,653,928.32 × 21,235,816.52
  4. Step 4: Simplify right side
    36,708,622.80x = 1,075,677,527,820,751.88
  5. Step 5: Solve for x
    x = 1,075,677,527,820,751.88/36,708,622.80
  6. Step 6: Final answer
    x = 29,303,129.50

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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.