Finding the Fourth Proportional to 9,777,710.08, 13,493,383.68 and 5,427,075.84
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Solution
The fourth proportional to 9,777,710.08, 13,493,383.68 and 5,427,075.84 is: 7,489,444.46
Step by Step Solution
- Step 1: Write the proportion equation
9,777,710.08 : 13,493,383.68 = 5,427,075.84 : x - Step 2: Convert to fraction form
9,777,710.08/13,493,383.68 = 5,427,075.84/x - Step 3: Cross multiply
9,777,710.08x = 13,493,383.68 × 5,427,075.84 - Step 4: Simplify right side
9,777,710.08x = 73,229,616,569,578.28 - Step 5: Solve for x
x = 73,229,616,569,578.28/9,777,710.08 - Step 6: Final answer
x = 7,489,444.46
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1.5x scale
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.