Finding the Fourth Proportional to 8,875,821.81, 12,248,514.87 and 4,955,637.99
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Solution
The fourth proportional to 8,875,821.81, 12,248,514.87 and 4,955,637.99 is: 6,838,713.86
Step by Step Solution
- Step 1: Write the proportion equation
8,875,821.81 : 12,248,514.87 = 4,955,637.99 : x - Step 2: Convert to fraction form
8,875,821.81/12,248,514.87 = 4,955,637.99/x - Step 3: Cross multiply
8,875,821.81x = 12,248,514.87 × 4,955,637.99 - Step 4: Simplify right side
8,875,821.81x = 60,699,205,610,851.91 - Step 5: Solve for x
x = 60,699,205,610,851.91/8,875,821.81 - Step 6: Final answer
x = 6,838,713.86
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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.