Finding the Fourth Proportional to 16,259,321.84, 22,438,276.09 and 8,917,447.28
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Solution
The fourth proportional to 16,259,321.84, 22,438,276.09 and 8,917,447.28 is: 12,306,303.18
Step by Step Solution
- Step 1: Write the proportion equation
16,259,321.84 : 22,438,276.09 = 8,917,447.28 : x - Step 2: Convert to fraction form
16,259,321.84/22,438,276.09 = 8,917,447.28/x - Step 3: Cross multiply
16,259,321.84x = 22,438,276.09 × 8,917,447.28 - Step 4: Simplify right side
16,259,321.84x = 200,092,143,952,174.53 - Step 5: Solve for x
x = 200,092,143,952,174.53/16,259,321.84 - Step 6: Final answer
x = 12,306,303.18
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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.