Home / 36,303,139.80-54,454,709.70-20,976,643.80

Finding the Fourth Proportional to 36,303,139.80, 54,454,709.70 and 20,976,643.80

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Solution

The fourth proportional to 36,303,139.80, 54,454,709.70 and 20,976,643.80 is: 31,464,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,303,139.80 : 54,454,709.70 = 20,976,643.80 : x
  2. Step 2: Convert to fraction form
    36,303,139.80/54,454,709.70 = 20,976,643.80/x
  3. Step 3: Cross multiply
    36,303,139.80x = 54,454,709.70 × 20,976,643.80
  4. Step 4: Simplify right side
    36,303,139.80x = 1,142,277,048,609,305
  5. Step 5: Solve for x
    x = 1,142,277,048,609,305/36,303,139.80
  6. Step 6: Final answer
    x = 31,464,965.70

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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.