Finding the Fourth Proportional to 19,936,873.80, 29,905,310.70 and 14,898,025.80
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Solution
The fourth proportional to 19,936,873.80, 29,905,310.70 and 14,898,025.80 is: 22,347,038.70
Step by Step Solution
- Step 1: Write the proportion equation
19,936,873.80 : 29,905,310.70 = 14,898,025.80 : x - Step 2: Convert to fraction form
19,936,873.80/29,905,310.70 = 14,898,025.80/x - Step 3: Cross multiply
19,936,873.80x = 29,905,310.70 × 14,898,025.80 - Step 4: Simplify right side
19,936,873.80x = 445,530,090,365,616.06 - Step 5: Solve for x
x = 445,530,090,365,616.06/19,936,873.80 - Step 6: Final answer
x = 22,347,038.70
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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.