Finding the Fourth Proportional to 13,853,188.08, 19,105,022.88 and 8,697,030.48
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Solution
The fourth proportional to 13,853,188.08, 19,105,022.88 and 8,697,030.48 is: 11,994,131.99
Step by Step Solution
- Step 1: Write the proportion equation
13,853,188.08 : 19,105,022.88 = 8,697,030.48 : x - Step 2: Convert to fraction form
13,853,188.08/19,105,022.88 = 8,697,030.48/x - Step 3: Cross multiply
13,853,188.08x = 19,105,022.88 × 8,697,030.48 - Step 4: Simplify right side
13,853,188.08x = 166,156,966,308,457.38 - Step 5: Solve for x
x = 166,156,966,308,457.38/13,853,188.08 - Step 6: Final answer
x = 11,994,131.99
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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.