Finding the Fourth Proportional to 10,298,970.64, 14,213,064.36 and 5,715,329.68
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Solution
The fourth proportional to 10,298,970.64, 14,213,064.36 and 5,715,329.68 is: 7,887,424.04
Step by Step Solution
- Step 1: Write the proportion equation
10,298,970.64 : 14,213,064.36 = 5,715,329.68 : x - Step 2: Convert to fraction form
10,298,970.64/14,213,064.36 = 5,715,329.68/x - Step 3: Cross multiply
10,298,970.64x = 14,213,064.36 × 5,715,329.68 - Step 4: Simplify right side
10,298,970.64x = 81,232,348,580,458.20 - Step 5: Solve for x
x = 81,232,348,580,458.20/10,298,970.64 - Step 6: Final answer
x = 7,887,424.04
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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.