Finding the Fourth Proportional to 10,295,109.10, 14,201,347.84 and 6,420,904.21
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Solution
The fourth proportional to 10,295,109.10, 14,201,347.84 and 6,420,904.21 is: 8,857,166.37
Step by Step Solution
- Step 1: Write the proportion equation
10,295,109.10 : 14,201,347.84 = 6,420,904.21 : x - Step 2: Convert to fraction form
10,295,109.10/14,201,347.84 = 6,420,904.21/x - Step 3: Cross multiply
10,295,109.10x = 14,201,347.84 × 6,420,904.21 - Step 4: Simplify right side
10,295,109.10x = 91,185,494,133,530.41 - Step 5: Solve for x
x = 91,185,494,133,530.41/10,295,109.10 - Step 6: Final answer
x = 8,857,166.37
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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.