Finding the Fourth Proportional to 17,942,830.74, 26,912,944.80 and 7,010,965.44
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Solution
The fourth proportional to 17,942,830.74, 26,912,944.80 and 7,010,965.44 is: 10,515,939.69
Step by Step Solution
- Step 1: Write the proportion equation
17,942,830.74 : 26,912,944.80 = 7,010,965.44 : x - Step 2: Convert to fraction form
17,942,830.74/26,912,944.80 = 7,010,965.44/x - Step 3: Cross multiply
17,942,830.74x = 26,912,944.80 × 7,010,965.44 - Step 4: Simplify right side
17,942,830.74x = 188,685,725,881,427.72 - Step 5: Solve for x
x = 188,685,725,881,427.72/17,942,830.74 - Step 6: Final answer
x = 10,515,939.69
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1.5x scale
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.