Finding the Fourth Proportional to 10,366,563.80, 15,556,844.10 and 6,763,554.20
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Solution
The fourth proportional to 10,366,563.80, 15,556,844.10 and 6,763,554.20 is: 10,149,897.33
Step by Step Solution
- Step 1: Write the proportion equation
10,366,563.80 : 15,556,844.10 = 6,763,554.20 : x - Step 2: Convert to fraction form
10,366,563.80/15,556,844.10 = 6,763,554.20/x - Step 3: Cross multiply
10,366,563.80x = 15,556,844.10 × 6,763,554.20 - Step 4: Simplify right side
10,366,563.80x = 105,219,558,251,300.22 - Step 5: Solve for x
x = 105,219,558,251,300.22/10,366,563.80 - Step 6: Final answer
x = 10,149,897.33
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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.