Finding the Fourth Proportional to 11,038,543.80, 16,557,815.70 and 9,358,927.80
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Solution
The fourth proportional to 11,038,543.80, 16,557,815.70 and 9,358,927.80 is: 14,038,391.70
Step by Step Solution
- Step 1: Write the proportion equation
11,038,543.80 : 16,557,815.70 = 9,358,927.80 : x - Step 2: Convert to fraction form
11,038,543.80/16,557,815.70 = 9,358,927.80/x - Step 3: Cross multiply
11,038,543.80x = 16,557,815.70 × 9,358,927.80 - Step 4: Simplify right side
11,038,543.80x = 154,963,401,662,006.47 - Step 5: Solve for x
x = 154,963,401,662,006.47/11,038,543.80 - Step 6: Final answer
x = 14,038,391.70
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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.