Finding the Fourth Proportional to 27,160,334.24, 40,758,449.80 and 12,787,512.38
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Solution
The fourth proportional to 27,160,334.24, 40,758,449.80 and 12,787,512.38 is: 19,189,718.98
Step by Step Solution
- Step 1: Write the proportion equation
27,160,334.24 : 40,758,449.80 = 12,787,512.38 : x - Step 2: Convert to fraction form
27,160,334.24/40,758,449.80 = 12,787,512.38/x - Step 3: Cross multiply
27,160,334.24x = 40,758,449.80 × 12,787,512.38 - Step 4: Simplify right side
27,160,334.24x = 521,199,181,407,108.50 - Step 5: Solve for x
x = 521,199,181,407,108.50/27,160,334.24 - Step 6: Final answer
x = 19,189,718.98
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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.