Finding the Fourth Proportional to 10,703,962.78, 14,769,331.77 and 6,514,841.74
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Solution
The fourth proportional to 10,703,962.78, 14,769,331.77 and 6,514,841.74 is: 8,989,181.02
Step by Step Solution
- Step 1: Write the proportion equation
10,703,962.78 : 14,769,331.77 = 6,514,841.74 : x - Step 2: Convert to fraction form
10,703,962.78/14,769,331.77 = 6,514,841.74/x - Step 3: Cross multiply
10,703,962.78x = 14,769,331.77 × 6,514,841.74 - Step 4: Simplify right side
10,703,962.78x = 96,219,859,087,104.08 - Step 5: Solve for x
x = 96,219,859,087,104.08/10,703,962.78 - Step 6: Final answer
x = 8,989,181.02
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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.