Finding the Fourth Proportional to 11,463,943.68, 15,820,367.81 and 6,236,981.64
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Solution
The fourth proportional to 11,463,943.68, 15,820,367.81 and 6,236,981.64 is: 8,607,102.96
Step by Step Solution
- Step 1: Write the proportion equation
11,463,943.68 : 15,820,367.81 = 6,236,981.64 : x - Step 2: Convert to fraction form
11,463,943.68/15,820,367.81 = 6,236,981.64/x - Step 3: Cross multiply
11,463,943.68x = 15,820,367.81 × 6,236,981.64 - Step 4: Simplify right side
11,463,943.68x = 98,671,343,537,832.09 - Step 5: Solve for x
x = 98,671,343,537,832.09/11,463,943.68 - Step 6: Final answer
x = 8,607,102.96
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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.