Finding the Fourth Proportional to 49,207,731.10, 73,811,596.65 and 15,124,648.30
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Solution
The fourth proportional to 49,207,731.10, 73,811,596.65 and 15,124,648.30 is: 22,686,972.45
Step by Step Solution
- Step 1: Write the proportion equation
49,207,731.10 : 73,811,596.65 = 15,124,648.30 : x - Step 2: Convert to fraction form
49,207,731.10/73,811,596.65 = 15,124,648.30/x - Step 3: Cross multiply
49,207,731.10x = 73,811,596.65 × 15,124,648.30 - Step 4: Simplify right side
49,207,731.10x = 1,116,374,439,792,708.38 - Step 5: Solve for x
x = 1,116,374,439,792,708.38/49,207,731.10 - Step 6: Final answer
x = 22,686,972.45
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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.