Finding the Fourth Proportional to 15,114,001.13, 22,637,770.70 and 12,490,573.58
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Solution
The fourth proportional to 15,114,001.13, 22,637,770.70 and 12,490,573.58 is: 18,708,397.47
Step by Step Solution
- Step 1: Write the proportion equation
15,114,001.13 : 22,637,770.70 = 12,490,573.58 : x - Step 2: Convert to fraction form
15,114,001.13/22,637,770.70 = 12,490,573.58/x - Step 3: Cross multiply
15,114,001.13x = 22,637,770.70 × 12,490,573.58 - Step 4: Simplify right side
15,114,001.13x = 282,758,740,439,876.38 - Step 5: Solve for x
x = 282,758,740,439,876.38/15,114,001.13 - Step 6: Final answer
x = 18,708,397.47
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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.