Finding the Fourth Proportional to 19,105,346.67, 26,365,807.09 and 10,844,630.79
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Solution
The fourth proportional to 19,105,346.67, 26,365,807.09 and 10,844,630.79 is: 14,965,833.82
Step by Step Solution
- Step 1: Write the proportion equation
19,105,346.67 : 26,365,807.09 = 10,844,630.79 : x - Step 2: Convert to fraction form
19,105,346.67/26,365,807.09 = 10,844,630.79/x - Step 3: Cross multiply
19,105,346.67x = 26,365,807.09 × 10,844,630.79 - Step 4: Simplify right side
19,105,346.67x = 285,927,443,371,414.25 - Step 5: Solve for x
x = 285,927,443,371,414.25/19,105,346.67 - Step 6: Final answer
x = 14,965,833.82
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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.