Finding the Fourth Proportional to 10,142,357.94, 15,213,703.66 and 2,855,992.95
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Solution
The fourth proportional to 10,142,357.94, 15,213,703.66 and 2,855,992.95 is: 4,284,036.38
Step by Step Solution
- Step 1: Write the proportion equation
10,142,357.94 : 15,213,703.66 = 2,855,992.95 : x - Step 2: Convert to fraction form
10,142,357.94/15,213,703.66 = 2,855,992.95/x - Step 3: Cross multiply
10,142,357.94x = 15,213,703.66 × 2,855,992.95 - Step 4: Simplify right side
10,142,357.94x = 43,450,230,389,209.22 - Step 5: Solve for x
x = 43,450,230,389,209.22/10,142,357.94 - Step 6: Final answer
x = 4,284,036.38
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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.