Finding the Fourth Proportional to 16,020,798.19, 22,108,769.38 and 8,678,631.41
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Solution
The fourth proportional to 16,020,798.19, 22,108,769.38 and 8,678,631.41 is: 11,976,548.12
Step by Step Solution
- Step 1: Write the proportion equation
16,020,798.19 : 22,108,769.38 = 8,678,631.41 : x - Step 2: Convert to fraction form
16,020,798.19/22,108,769.38 = 8,678,631.41/x - Step 3: Cross multiply
16,020,798.19x = 22,108,769.38 × 8,678,631.41 - Step 4: Simplify right side
16,020,798.19x = 191,873,860,377,714.22 - Step 5: Solve for x
x = 191,873,860,377,714.22/16,020,798.19 - Step 6: Final answer
x = 11,976,548.12
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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.