Finding the Fourth Proportional to 22,902,371.28, 31,605,337.92 and 13,112,965.62
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Solution
The fourth proportional to 22,902,371.28, 31,605,337.92 and 13,112,965.62 is: 18,095,930.09
Step by Step Solution
- Step 1: Write the proportion equation
22,902,371.28 : 31,605,337.92 = 13,112,965.62 : x - Step 2: Convert to fraction form
22,902,371.28/31,605,337.92 = 13,112,965.62/x - Step 3: Cross multiply
22,902,371.28x = 31,605,337.92 × 13,112,965.62 - Step 4: Simplify right side
22,902,371.28x = 414,439,709,553,442.31 - Step 5: Solve for x
x = 414,439,709,553,442.31/22,902,371.28 - Step 6: Final answer
x = 18,095,930.09
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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.