Finding the Fourth Proportional to 46,646,972.10, 69,970,458.15 and 22,381,769.70
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Solution
The fourth proportional to 46,646,972.10, 69,970,458.15 and 22,381,769.70 is: 33,572,654.55
Step by Step Solution
- Step 1: Write the proportion equation
46,646,972.10 : 69,970,458.15 = 22,381,769.70 : x - Step 2: Convert to fraction form
46,646,972.10/69,970,458.15 = 22,381,769.70/x - Step 3: Cross multiply
46,646,972.10x = 69,970,458.15 × 22,381,769.70 - Step 4: Simplify right side
46,646,972.10x = 1,566,062,680,116,788.25 - Step 5: Solve for x
x = 1,566,062,680,116,788.25/46,646,972.10 - Step 6: Final answer
x = 33,572,654.55
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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.