Finding the Fourth Proportional to 10,015,186.58, 13,821,699.84 and 5,605,353.26
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Solution
The fourth proportional to 10,015,186.58, 13,821,699.84 and 5,605,353.26 is: 7,735,802.99
Step by Step Solution
- Step 1: Write the proportion equation
10,015,186.58 : 13,821,699.84 = 5,605,353.26 : x - Step 2: Convert to fraction form
10,015,186.58/13,821,699.84 = 5,605,353.26/x - Step 3: Cross multiply
10,015,186.58x = 13,821,699.84 × 5,605,353.26 - Step 4: Simplify right side
10,015,186.58x = 77,475,510,256,885.47 - Step 5: Solve for x
x = 77,475,510,256,885.47/10,015,186.58 - Step 6: Final answer
x = 7,735,802.99
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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.