Finding the Fourth Proportional to 11,228,916.40, 15,495,911.04 and 6,072,277.49
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Solution
The fourth proportional to 11,228,916.40, 15,495,911.04 and 6,072,277.49 is: 8,379,746.40
Step by Step Solution
- Step 1: Write the proportion equation
11,228,916.40 : 15,495,911.04 = 6,072,277.49 : x - Step 2: Convert to fraction form
11,228,916.40/15,495,911.04 = 6,072,277.49/x - Step 3: Cross multiply
11,228,916.40x = 15,495,911.04 × 6,072,277.49 - Step 4: Simplify right side
11,228,916.40x = 94,095,471,798,635.62 - Step 5: Solve for x
x = 94,095,471,798,635.62/11,228,916.40 - Step 6: Final answer
x = 8,379,746.40
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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.