Finding the Fourth Proportional to 12,691,501.08, 17,497,355.61 and 10,086,703.08
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Solution
The fourth proportional to 12,691,501.08, 17,497,355.61 and 10,086,703.08 is: 13,906,206.18
Step by Step Solution
- Step 1: Write the proportion equation
12,691,501.08 : 17,497,355.61 = 10,086,703.08 : x - Step 2: Convert to fraction form
12,691,501.08/17,497,355.61 = 10,086,703.08/x - Step 3: Cross multiply
12,691,501.08x = 17,497,355.61 × 10,086,703.08 - Step 4: Simplify right side
12,691,501.08x = 176,490,630,723,242.28 - Step 5: Solve for x
x = 176,490,630,723,242.28/12,691,501.08 - Step 6: Final answer
x = 13,906,206.18
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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.