Finding the Fourth Proportional to 17,731,222.38, 26,594,631.99 and 4,778,385.75
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Solution
The fourth proportional to 17,731,222.38, 26,594,631.99 and 4,778,385.75 is: 7,166,985.32
Step by Step Solution
- Step 1: Write the proportion equation
17,731,222.38 : 26,594,631.99 = 4,778,385.75 : x - Step 2: Convert to fraction form
17,731,222.38/26,594,631.99 = 4,778,385.75/x - Step 3: Cross multiply
17,731,222.38x = 26,594,631.99 × 4,778,385.75 - Step 4: Simplify right side
17,731,222.38x = 127,079,410,527,510.14 - Step 5: Solve for x
x = 127,079,410,527,510.14/17,731,222.38 - Step 6: Final answer
x = 7,166,985.32
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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.