Finding the Fourth Proportional to 50,266,544.74, 69,368,109.93 and 28,240,972.90
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Solution
The fourth proportional to 50,266,544.74, 69,368,109.93 and 28,240,972.90 is: 38,972,698.90
Step by Step Solution
- Step 1: Write the proportion equation
50,266,544.74 : 69,368,109.93 = 28,240,972.90 : x - Step 2: Convert to fraction form
50,266,544.74/69,368,109.93 = 28,240,972.90/x - Step 3: Cross multiply
50,266,544.74x = 69,368,109.93 × 28,240,972.90 - Step 4: Simplify right side
50,266,544.74x = 1,959,022,912,657,351 - Step 5: Solve for x
x = 1,959,022,912,657,351/50,266,544.74 - Step 6: Final answer
x = 38,972,698.90
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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.