Finding the Fourth Proportional to 39,903,638.85, 59,855,097.29 and 12,609,936.09
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Solution
The fourth proportional to 39,903,638.85, 59,855,097.29 and 12,609,936.09 is: 18,914,790.06
Step by Step Solution
- Step 1: Write the proportion equation
39,903,638.85 : 59,855,097.29 = 12,609,936.09 : x - Step 2: Convert to fraction form
39,903,638.85/59,855,097.29 = 12,609,936.09/x - Step 3: Cross multiply
39,903,638.85x = 59,855,097.29 × 12,609,936.09 - Step 4: Simplify right side
39,903,638.85x = 754,768,951,424,582.50 - Step 5: Solve for x
x = 754,768,951,424,582.50/39,903,638.85 - Step 6: Final answer
x = 18,914,790.06
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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.