Finding the Fourth Proportional to 10,295,112.10, 14,201,351.98 and 6,420,907.21
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Solution
The fourth proportional to 10,295,112.10, 14,201,351.98 and 6,420,907.21 is: 8,857,170.51
Step by Step Solution
- Step 1: Write the proportion equation
10,295,112.10 : 14,201,351.98 = 6,420,907.21 : x - Step 2: Convert to fraction form
10,295,112.10/14,201,351.98 = 6,420,907.21/x - Step 3: Cross multiply
10,295,112.10x = 14,201,351.98 × 6,420,907.21 - Step 4: Simplify right side
10,295,112.10x = 91,185,563,320,129.78 - Step 5: Solve for x
x = 91,185,563,320,129.78/10,295,112.10 - Step 6: Final answer
x = 8,857,170.51
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1.5x scale
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.