Finding the Fourth Proportional to 27,071,355.97, 37,358,216.85 and 14,681,722.84
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Solution
The fourth proportional to 27,071,355.97, 37,358,216.85 and 14,681,722.84 is: 20,260,639.55
Step by Step Solution
- Step 1: Write the proportion equation
27,071,355.97 : 37,358,216.85 = 14,681,722.84 : x - Step 2: Convert to fraction form
27,071,355.97/37,358,216.85 = 14,681,722.84/x - Step 3: Cross multiply
27,071,355.97x = 37,358,216.85 × 14,681,722.84 - Step 4: Simplify right side
27,071,355.97x = 548,482,985,549,978.75 - Step 5: Solve for x
x = 548,482,985,549,978.75/27,071,355.97 - Step 6: Final answer
x = 20,260,639.55
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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.