Finding the Fourth Proportional to 27,221,402.70, 40,832,104.05 and 12,104,858.70
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Solution
The fourth proportional to 27,221,402.70, 40,832,104.05 and 12,104,858.70 is: 18,157,288.05
Step by Step Solution
- Step 1: Write the proportion equation
27,221,402.70 : 40,832,104.05 = 12,104,858.70 : x - Step 2: Convert to fraction form
27,221,402.70/40,832,104.05 = 12,104,858.70/x - Step 3: Cross multiply
27,221,402.70x = 40,832,104.05 × 12,104,858.70 - Step 4: Simplify right side
27,221,402.70x = 494,266,849,948,947.69 - Step 5: Solve for x
x = 494,266,849,948,947.69/27,221,402.70 - Step 6: Final answer
x = 18,157,288.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.