Finding the Fourth Proportional to 19,484,321.62, 26,888,415.96 and 10,783,094.26
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Solution
The fourth proportional to 19,484,321.62, 26,888,415.96 and 10,783,094.26 is: 14,880,698.93
Step by Step Solution
- Step 1: Write the proportion equation
19,484,321.62 : 26,888,415.96 = 10,783,094.26 : x - Step 2: Convert to fraction form
19,484,321.62/26,888,415.96 = 10,783,094.26/x - Step 3: Cross multiply
19,484,321.62x = 26,888,415.96 × 10,783,094.26 - Step 4: Simplify right side
19,484,321.62x = 289,940,323,798,768.38 - Step 5: Solve for x
x = 289,940,323,798,768.38/19,484,321.62 - Step 6: Final answer
x = 14,880,698.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.