Finding the Fourth Proportional to 7,980,296.17, 11,972,125.76 and 2,588,526.23
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Solution
The fourth proportional to 7,980,296.17, 11,972,125.76 and 2,588,526.23 is: 3,883,334.77
Step by Step Solution
- Step 1: Write the proportion equation
7,980,296.17 : 11,972,125.76 = 2,588,526.23 : x - Step 2: Convert to fraction form
7,980,296.17/11,972,125.76 = 2,588,526.23/x - Step 3: Cross multiply
7,980,296.17x = 11,972,125.76 × 2,588,526.23 - Step 4: Simplify right side
7,980,296.17x = 30,990,161,558,618.68 - Step 5: Solve for x
x = 30,990,161,558,618.68/7,980,296.17 - Step 6: Final answer
x = 3,883,334.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.