Finding the Fourth Proportional to 19,773,323.40, 29,649,172.69 and 15,700,805.13
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Solution
The fourth proportional to 19,773,323.40, 29,649,172.69 and 15,700,805.13 is: 23,542,622.20
Step by Step Solution
- Step 1: Write the proportion equation
19,773,323.40 : 29,649,172.69 = 15,700,805.13 : x - Step 2: Convert to fraction form
19,773,323.40/29,649,172.69 = 15,700,805.13/x - Step 3: Cross multiply
19,773,323.40x = 29,649,172.69 × 15,700,805.13 - Step 4: Simplify right side
19,773,323.40x = 465,515,882,444,658 - Step 5: Solve for x
x = 465,515,882,444,658/19,773,323.40 - Step 6: Final answer
x = 23,542,622.20
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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.