Finding the Fourth Proportional to 10,295,115.60, 14,201,356.81 and 6,420,910.71
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Solution
The fourth proportional to 10,295,115.60, 14,201,356.81 and 6,420,910.71 is: 8,857,175.34
Step by Step Solution
- Step 1: Write the proportion equation
10,295,115.60 : 14,201,356.81 = 6,420,910.71 : x - Step 2: Convert to fraction form
10,295,115.60/14,201,356.81 = 6,420,910.71/x - Step 3: Cross multiply
10,295,115.60x = 14,201,356.81 × 6,420,910.71 - Step 4: Simplify right side
10,295,115.60x = 91,185,644,037,860.44 - Step 5: Solve for x
x = 91,185,644,037,860.44/10,295,115.60 - Step 6: Final answer
x = 8,857,175.34
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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.