Finding the Fourth Proportional to 14,180,979.98, 21,276,830.10 and 5,551,247.36
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Solution
The fourth proportional to 14,180,979.98, 21,276,830.10 and 5,551,247.36 is: 8,328,969.30
Step by Step Solution
- Step 1: Write the proportion equation
14,180,979.98 : 21,276,830.10 = 5,551,247.36 : x - Step 2: Convert to fraction form
14,180,979.98/21,276,830.10 = 5,551,247.36/x - Step 3: Cross multiply
14,180,979.98x = 21,276,830.10 × 5,551,247.36 - Step 4: Simplify right side
14,180,979.98x = 118,112,946,921,793.55 - Step 5: Solve for x
x = 118,112,946,921,793.55/14,180,979.98 - Step 6: Final answer
x = 8,328,969.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.