Finding the Fourth Proportional to 11,608,864.60, 17,413,242.12 and 2,972,948.32
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Solution
The fourth proportional to 11,608,864.60, 17,413,242.12 and 2,972,948.32 is: 4,459,408.45
Step by Step Solution
- Step 1: Write the proportion equation
11,608,864.60 : 17,413,242.12 = 2,972,948.32 : x - Step 2: Convert to fraction form
11,608,864.60/17,413,242.12 = 2,972,948.32/x - Step 3: Cross multiply
11,608,864.60x = 17,413,242.12 × 2,972,948.32 - Step 4: Simplify right side
11,608,864.60x = 51,768,668,906,407.24 - Step 5: Solve for x
x = 51,768,668,906,407.24/11,608,864.60 - Step 6: Final answer
x = 4,459,408.45
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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.