Finding the Fourth Proportional to 37,972,120.68, 52,400,296.46 and 21,226,414.76
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Solution
The fourth proportional to 37,972,120.68, 52,400,296.46 and 21,226,414.76 is: 29,291,764.75
Step by Step Solution
- Step 1: Write the proportion equation
37,972,120.68 : 52,400,296.46 = 21,226,414.76 : x - Step 2: Convert to fraction form
37,972,120.68/52,400,296.46 = 21,226,414.76/x - Step 3: Cross multiply
37,972,120.68x = 52,400,296.46 × 21,226,414.76 - Step 4: Simplify right side
37,972,120.68x = 1,112,270,426,206,919.88 - Step 5: Solve for x
x = 1,112,270,426,206,919.88/37,972,120.68 - Step 6: Final answer
x = 29,291,764.75
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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.