Finding the Fourth Proportional to 16,129,193.90, 24,168,907.65 and 13,989,238.70
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Solution
The fourth proportional to 16,129,193.90, 24,168,907.65 and 13,989,238.70 is: 20,962,276.25
Step by Step Solution
- Step 1: Write the proportion equation
16,129,193.90 : 24,168,907.65 = 13,989,238.70 : x - Step 2: Convert to fraction form
16,129,193.90/24,168,907.65 = 13,989,238.70/x - Step 3: Cross multiply
16,129,193.90x = 24,168,907.65 × 13,989,238.70 - Step 4: Simplify right side
16,129,193.90x = 338,104,618,234,106 - Step 5: Solve for x
x = 338,104,618,234,106/16,129,193.90 - Step 6: Final answer
x = 20,962,276.25
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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.