Finding the Fourth Proportional to 10,031,649.22, 15,021,929.19 and 6,609,561.01
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Solution
The fourth proportional to 10,031,649.22, 15,021,929.19 and 6,609,561.01 is: 9,897,510.89
Step by Step Solution
- Step 1: Write the proportion equation
10,031,649.22 : 15,021,929.19 = 6,609,561.01 : x - Step 2: Convert to fraction form
10,031,649.22/15,021,929.19 = 6,609,561.01/x - Step 3: Cross multiply
10,031,649.22x = 15,021,929.19 × 6,609,561.01 - Step 4: Simplify right side
10,031,649.22x = 99,288,357,456,435.92 - Step 5: Solve for x
x = 99,288,357,456,435.92/10,031,649.22 - Step 6: Final answer
x = 9,897,510.89
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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.