Finding the Fourth Proportional to 11,071,723.80, 16,607,585.70 and 10,363,135.80
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Solution
The fourth proportional to 11,071,723.80, 16,607,585.70 and 10,363,135.80 is: 15,544,703.70
Step by Step Solution
- Step 1: Write the proportion equation
11,071,723.80 : 16,607,585.70 = 10,363,135.80 : x - Step 2: Convert to fraction form
11,071,723.80/16,607,585.70 = 10,363,135.80/x - Step 3: Cross multiply
11,071,723.80x = 16,607,585.70 × 10,363,135.80 - Step 4: Simplify right side
11,071,723.80x = 172,106,665,919,238.06 - Step 5: Solve for x
x = 172,106,665,919,238.06/11,071,723.80 - Step 6: Final answer
x = 15,544,703.70
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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.