Finding the Fourth Proportional to 15,997,874.48, 22,076,909.68 and 8,655,546.48
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Solution
The fourth proportional to 15,997,874.48, 22,076,909.68 and 8,655,546.48 is: 11,944,569.14
Step by Step Solution
- Step 1: Write the proportion equation
15,997,874.48 : 22,076,909.68 = 8,655,546.48 : x - Step 2: Convert to fraction form
15,997,874.48/22,076,909.68 = 8,655,546.48/x - Step 3: Cross multiply
15,997,874.48x = 22,076,909.68 × 8,655,546.48 - Step 4: Simplify right side
15,997,874.48x = 191,087,717,870,001.94 - Step 5: Solve for x
x = 191,087,717,870,001.94/15,997,874.48 - Step 6: Final answer
x = 11,944,569.14
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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.