Finding the Fourth Proportional to 27,455,838.08, 37,888,952.57 and 15,066,138.80
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Solution
The fourth proportional to 27,455,838.08, 37,888,952.57 and 15,066,138.80 is: 20,791,214.48
Step by Step Solution
- Step 1: Write the proportion equation
27,455,838.08 : 37,888,952.57 = 15,066,138.80 : x - Step 2: Convert to fraction form
27,455,838.08/37,888,952.57 = 15,066,138.80/x - Step 3: Cross multiply
27,455,838.08x = 37,888,952.57 × 15,066,138.80 - Step 4: Simplify right side
27,455,838.08x = 570,840,218,141,461.25 - Step 5: Solve for x
x = 570,840,218,141,461.25/27,455,838.08 - Step 6: Final answer
x = 20,791,214.48
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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.