Finding the Fourth Proportional to 11,985,673.17, 16,538,994.68 and 8,847,606.32
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Solution
The fourth proportional to 11,985,673.17, 16,538,994.68 and 8,847,606.32 is: 12,208,785.58
Step by Step Solution
- Step 1: Write the proportion equation
11,985,673.17 : 16,538,994.68 = 8,847,606.32 : x - Step 2: Convert to fraction form
11,985,673.17/16,538,994.68 = 8,847,606.32/x - Step 3: Cross multiply
11,985,673.17x = 16,538,994.68 × 8,847,606.32 - Step 4: Simplify right side
11,985,673.17x = 146,330,513,730,281.38 - Step 5: Solve for x
x = 146,330,513,730,281.38/11,985,673.17 - Step 6: Final answer
x = 12,208,785.58
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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.