Finding the Fourth Proportional to 15,454,223.97, 21,325,762.26 and 8,578,164.75
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Solution
The fourth proportional to 15,454,223.97, 21,325,762.26 and 8,578,164.75 is: 11,837,275.20
Step by Step Solution
- Step 1: Write the proportion equation
15,454,223.97 : 21,325,762.26 = 8,578,164.75 : x - Step 2: Convert to fraction form
15,454,223.97/21,325,762.26 = 8,578,164.75/x - Step 3: Cross multiply
15,454,223.97x = 21,325,762.26 × 8,578,164.75 - Step 4: Simplify right side
15,454,223.97x = 182,935,902,085,612.34 - Step 5: Solve for x
x = 182,935,902,085,612.34/15,454,223.97 - Step 6: Final answer
x = 11,837,275.20
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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.