Finding the Fourth Proportional to 19,354,218.76, 29,031,293.17 and 5,716,942.19
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Solution
The fourth proportional to 19,354,218.76, 29,031,293.17 and 5,716,942.19 is: 8,575,402.95
Step by Step Solution
- Step 1: Write the proportion equation
19,354,218.76 : 29,031,293.17 = 5,716,942.19 : x - Step 2: Convert to fraction form
19,354,218.76/29,031,293.17 = 5,716,942.19/x - Step 3: Cross multiply
19,354,218.76x = 29,031,293.17 × 5,716,942.19 - Step 4: Simplify right side
19,354,218.76x = 165,970,224,580,090.66 - Step 5: Solve for x
x = 165,970,224,580,090.66/19,354,218.76 - Step 6: Final answer
x = 8,575,402.95
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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.