Finding the Fourth Proportional to 15,761,929.08, 21,751,186.86 and 8,886,415.80
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Solution
The fourth proportional to 15,761,929.08, 21,751,186.86 and 8,886,415.80 is: 12,263,098.61
Step by Step Solution
- Step 1: Write the proportion equation
15,761,929.08 : 21,751,186.86 = 8,886,415.80 : x - Step 2: Convert to fraction form
15,761,929.08/21,751,186.86 = 8,886,415.80/x - Step 3: Cross multiply
15,761,929.08x = 21,751,186.86 × 8,886,415.80 - Step 4: Simplify right side
15,761,929.08x = 193,290,090,581,456.41 - Step 5: Solve for x
x = 193,290,090,581,456.41/15,761,929.08 - Step 6: Final answer
x = 12,263,098.61
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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.