Finding the Fourth Proportional to 37,138,328.47, 51,251,078.96 and 23,207,772.70
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Solution
The fourth proportional to 37,138,328.47, 51,251,078.96 and 23,207,772.70 is: 32,026,842.35
Step by Step Solution
- Step 1: Write the proportion equation
37,138,328.47 : 51,251,078.96 = 23,207,772.70 : x - Step 2: Convert to fraction form
37,138,328.47/51,251,078.96 = 23,207,772.70/x - Step 3: Cross multiply
37,138,328.47x = 51,251,078.96 × 23,207,772.70 - Step 4: Simplify right side
37,138,328.47x = 1,189,423,391,133,432.25 - Step 5: Solve for x
x = 1,189,423,391,133,432.25/37,138,328.47 - Step 6: Final answer
x = 32,026,842.35
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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.