Finding the Fourth Proportional to 15,443,164.08, 21,311,558.17 and 8,473,887.40
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Solution
The fourth proportional to 15,443,164.08, 21,311,558.17 and 8,473,887.40 is: 11,693,960.08
Step by Step Solution
- Step 1: Write the proportion equation
15,443,164.08 : 21,311,558.17 = 8,473,887.40 : x - Step 2: Convert to fraction form
15,443,164.08/21,311,558.17 = 8,473,887.40/x - Step 3: Cross multiply
15,443,164.08x = 21,311,558.17 × 8,473,887.40 - Step 4: Simplify right side
15,443,164.08x = 180,591,744,251,130.09 - Step 5: Solve for x
x = 180,591,744,251,130.09/15,443,164.08 - Step 6: Final answer
x = 11,693,960.08
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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.