Finding the Fourth Proportional to 18,972,407,506,162, 26,185,677,166,174 and 12,306,330,241,285
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Solution
The fourth proportional to 18,972,407,506,162, 26,185,677,166,174 and 12,306,330,241,285 is: 16,985,171,264,846.10
Step by Step Solution
- Step 1: Write the proportion equation
18,972,407,506,162 : 26,185,677,166,174 = 12,306,330,241,285 : x - Step 2: Convert to fraction form
18,972,407,506,162/26,185,677,166,174 = 12,306,330,241,285/x - Step 3: Cross multiply
18,972,407,506,162x = 26,185,677,166,174 × 12,306,330,241,285 - Step 4: Simplify right side
18,972,407,506,162x = 322,249,590,798,613,203,371,687,936 - Step 5: Solve for x
x = 322,249,590,798,613,203,371,687,936/18,972,407,506,162 - Step 6: Final answer
x = 16,985,171,264,846.10
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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.