Finding the Fourth Proportional to 22,752,028.70, 34,128,043.05 and 14,689,871.90
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Solution
The fourth proportional to 22,752,028.70, 34,128,043.05 and 14,689,871.90 is: 22,034,807.85
Step by Step Solution
- Step 1: Write the proportion equation
22,752,028.70 : 34,128,043.05 = 14,689,871.90 : x - Step 2: Convert to fraction form
22,752,028.70/34,128,043.05 = 14,689,871.90/x - Step 3: Cross multiply
22,752,028.70x = 34,128,043.05 × 14,689,871.90 - Step 4: Simplify right side
22,752,028.70x = 501,336,580,602,185.25 - Step 5: Solve for x
x = 501,336,580,602,185.25/22,752,028.70 - Step 6: Final answer
x = 22,034,807.85
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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.