Finding the Fourth Proportional to 16,212,390.66, 22,370,889.42 and 9,684,634.41
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Solution
The fourth proportional to 16,212,390.66, 22,370,889.42 and 9,684,634.41 is: 13,363,475.50
Step by Step Solution
- Step 1: Write the proportion equation
16,212,390.66 : 22,370,889.42 = 9,684,634.41 : x - Step 2: Convert to fraction form
16,212,390.66/22,370,889.42 = 9,684,634.41/x - Step 3: Cross multiply
16,212,390.66x = 22,370,889.42 × 9,684,634.41 - Step 4: Simplify right side
16,212,390.66x = 216,653,885,459,236.97 - Step 5: Solve for x
x = 216,653,885,459,236.97/16,212,390.66 - Step 6: Final answer
x = 13,363,475.50
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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.