Finding the Fourth Proportional to 14,279,236.32, 19,721,570.44 and 9,624,994.14
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Solution
The fourth proportional to 14,279,236.32, 19,721,570.44 and 9,624,994.14 is: 13,293,428.00
Step by Step Solution
- Step 1: Write the proportion equation
14,279,236.32 : 19,721,570.44 = 9,624,994.14 : x - Step 2: Convert to fraction form
14,279,236.32/19,721,570.44 = 9,624,994.14/x - Step 3: Cross multiply
14,279,236.32x = 19,721,570.44 × 9,624,994.14 - Step 4: Simplify right side
14,279,236.32x = 189,819,999,916,597.25 - Step 5: Solve for x
x = 189,819,999,916,597.25/14,279,236.32 - Step 6: Final answer
x = 13,293,428.00
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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.