Finding the Fourth Proportional to 11,284,869.90, 15,573,123.52 and 6,128,230.08
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Solution
The fourth proportional to 11,284,869.90, 15,573,123.52 and 6,128,230.08 is: 8,456,959.17
Step by Step Solution
- Step 1: Write the proportion equation
11,284,869.90 : 15,573,123.52 = 6,128,230.08 : x - Step 2: Convert to fraction form
11,284,869.90/15,573,123.52 = 6,128,230.08/x - Step 3: Cross multiply
11,284,869.90x = 15,573,123.52 × 6,128,230.08 - Step 4: Simplify right side
11,284,869.90x = 95,435,683,994,819.48 - Step 5: Solve for x
x = 95,435,683,994,819.48/11,284,869.90 - Step 6: Final answer
x = 8,456,959.17
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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.