Finding the Fourth Proportional to 7,607,982.72, 11,413,723.68 and 2,490,577.68
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Solution
The fourth proportional to 7,607,982.72, 11,413,723.68 and 2,490,577.68 is: 3,736,439.28
Step by Step Solution
- Step 1: Write the proportion equation
7,607,982.72 : 11,413,723.68 = 2,490,577.68 : x - Step 2: Convert to fraction form
7,607,982.72/11,413,723.68 = 2,490,577.68/x - Step 3: Cross multiply
7,607,982.72x = 11,413,723.68 × 2,490,577.68 - Step 4: Simplify right side
7,607,982.72x = 28,426,765,443,095.46 - Step 5: Solve for x
x = 28,426,765,443,095.46/7,607,982.72 - Step 6: Final answer
x = 3,736,439.28
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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.