Finding the Fourth Proportional to 37,833,974.93, 56,758,932.80 and 12,272,988.53
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Solution
The fourth proportional to 37,833,974.93, 56,758,932.80 and 12,272,988.53 is: 18,412,068.32
Step by Step Solution
- Step 1: Write the proportion equation
37,833,974.93 : 56,758,932.80 = 12,272,988.53 : x - Step 2: Convert to fraction form
37,833,974.93/56,758,932.80 = 12,272,988.53/x - Step 3: Cross multiply
37,833,974.93x = 56,758,932.80 × 12,272,988.53 - Step 4: Simplify right side
37,833,974.93x = 696,601,731,355,996.88 - Step 5: Solve for x
x = 696,601,731,355,996.88/37,833,974.93 - Step 6: Final answer
x = 18,412,068.32
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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.