Finding the Fourth Proportional to 16,023,230.54, 22,112,028.16 and 8,681,246.15
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Solution
The fourth proportional to 16,023,230.54, 22,112,028.16 and 8,681,246.15 is: 11,980,103.45
Step by Step Solution
- Step 1: Write the proportion equation
16,023,230.54 : 22,112,028.16 = 8,681,246.15 : x - Step 2: Convert to fraction form
16,023,230.54/22,112,028.16 = 8,681,246.15/x - Step 3: Cross multiply
16,023,230.54x = 22,112,028.16 × 8,681,246.15 - Step 4: Simplify right side
16,023,230.54x = 191,959,959,366,268.53 - Step 5: Solve for x
x = 191,959,959,366,268.53/16,023,230.54 - Step 6: Final answer
x = 11,980,103.45
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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.