Finding the Fourth Proportional to 18,356,603.42, 27,514,692.93 and 7,567,986.62
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Solution
The fourth proportional to 18,356,603.42, 27,514,692.93 and 7,567,986.62 is: 11,343,646.93
Step by Step Solution
- Step 1: Write the proportion equation
18,356,603.42 : 27,514,692.93 = 7,567,986.62 : x - Step 2: Convert to fraction form
18,356,603.42/27,514,692.93 = 7,567,986.62/x - Step 3: Cross multiply
18,356,603.42x = 27,514,692.93 × 7,567,986.62 - Step 4: Simplify right side
18,356,603.42x = 208,230,827,947,648.59 - Step 5: Solve for x
x = 208,230,827,947,648.59/18,356,603.42 - Step 6: Final answer
x = 11,343,646.93
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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.