Finding the Fourth Proportional to 7,503,575.47, 10,355,459.68 and 4,240,691.75
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Solution
The fourth proportional to 7,503,575.47, 10,355,459.68 and 4,240,691.75 is: 5,852,451.63
Step by Step Solution
- Step 1: Write the proportion equation
7,503,575.47 : 10,355,459.68 = 4,240,691.75 : x - Step 2: Convert to fraction form
7,503,575.47/10,355,459.68 = 4,240,691.75/x - Step 3: Cross multiply
7,503,575.47x = 10,355,459.68 × 4,240,691.75 - Step 4: Simplify right side
7,503,575.47x = 43,914,312,463,623.16 - Step 5: Solve for x
x = 43,914,312,463,623.16/7,503,575.47 - Step 6: Final answer
x = 5,852,451.63
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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.