Finding the Fourth Proportional to 29,527,072.20, 44,296,829.10 and 12,478,969.80
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Solution
The fourth proportional to 29,527,072.20, 44,296,829.10 and 12,478,969.80 is: 18,721,083.78
Step by Step Solution
- Step 1: Write the proportion equation
29,527,072.20 : 44,296,829.10 = 12,478,969.80 : x - Step 2: Convert to fraction form
29,527,072.20/44,296,829.10 = 12,478,969.80/x - Step 3: Cross multiply
29,527,072.20x = 44,296,829.10 × 12,478,969.80 - Step 4: Simplify right side
29,527,072.20x = 552,778,792,574,661.25 - Step 5: Solve for x
x = 552,778,792,574,661.25/29,527,072.20 - Step 6: Final answer
x = 18,721,083.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.