Finding the Fourth Proportional to 13,983,925.15, 19,298,785.39 and 8,477,532.09
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Solution
The fourth proportional to 13,983,925.15, 19,298,785.39 and 8,477,532.09 is: 11,699,581.53
Step by Step Solution
- Step 1: Write the proportion equation
13,983,925.15 : 19,298,785.39 = 8,477,532.09 : x - Step 2: Convert to fraction form
13,983,925.15/19,298,785.39 = 8,477,532.09/x - Step 3: Cross multiply
13,983,925.15x = 19,298,785.39 × 8,477,532.09 - Step 4: Simplify right side
13,983,925.15x = 163,606,072,345,254.25 - Step 5: Solve for x
x = 163,606,072,345,254.25/13,983,925.15 - Step 6: Final answer
x = 11,699,581.53
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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.