Finding the Fourth Proportional to 11,456,937.24, 15,852,207.42 and 9,989,902.80
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Solution
The fourth proportional to 11,456,937.24, 15,852,207.42 and 9,989,902.80 is: 13,822,368.75
Step by Step Solution
- Step 1: Write the proportion equation
11,456,937.24 : 15,852,207.42 = 9,989,902.80 : x - Step 2: Convert to fraction form
11,456,937.24/15,852,207.42 = 9,989,902.80/x - Step 3: Cross multiply
11,456,937.24x = 15,852,207.42 × 9,989,902.80 - Step 4: Simplify right side
11,456,937.24x = 158,362,011,291,238.78 - Step 5: Solve for x
x = 158,362,011,291,238.78/11,456,937.24 - Step 6: Final answer
x = 13,822,368.75
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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.