Finding the Fourth Proportional to 11,164,547.21, 16,749,145.49 and 3,487,881.96
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Solution
The fourth proportional to 11,164,547.21, 16,749,145.49 and 3,487,881.96 is: 5,232,549.19
Step by Step Solution
- Step 1: Write the proportion equation
11,164,547.21 : 16,749,145.49 = 3,487,881.96 : x - Step 2: Convert to fraction form
11,164,547.21/16,749,145.49 = 3,487,881.96/x - Step 3: Cross multiply
11,164,547.21x = 16,749,145.49 × 3,487,881.96 - Step 4: Simplify right side
11,164,547.21x = 58,419,042,445,356.24 - Step 5: Solve for x
x = 58,419,042,445,356.24/11,164,547.21 - Step 6: Final answer
x = 5,232,549.19
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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.