Finding the Fourth Proportional to 17,768,858.49, 26,654,914.31 and 4,989,276.99
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Solution
The fourth proportional to 17,768,858.49, 26,654,914.31 and 4,989,276.99 is: 7,484,372.21
Step by Step Solution
- Step 1: Write the proportion equation
17,768,858.49 : 26,654,914.31 = 4,989,276.99 : x - Step 2: Convert to fraction form
17,768,858.49/26,654,914.31 = 4,989,276.99/x - Step 3: Cross multiply
17,768,858.49x = 26,654,914.31 × 4,989,276.99 - Step 4: Simplify right side
17,768,858.49x = 132,988,750,612,358.34 - Step 5: Solve for x
x = 132,988,750,612,358.34/17,768,858.49 - Step 6: Final answer
x = 7,484,372.21
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Double scale
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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.