Finding the Fourth Proportional to 27,455,840.34, 37,888,955.66 and 15,066,141.06
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Solution
The fourth proportional to 27,455,840.34, 37,888,955.66 and 15,066,141.06 is: 20,791,217.59
Step by Step Solution
- Step 1: Write the proportion equation
27,455,840.34 : 37,888,955.66 = 15,066,141.06 : x - Step 2: Convert to fraction form
27,455,840.34/37,888,955.66 = 15,066,141.06/x - Step 3: Cross multiply
27,455,840.34x = 37,888,955.66 × 15,066,141.06 - Step 4: Simplify right side
27,455,840.34x = 570,840,350,589,645.38 - Step 5: Solve for x
x = 570,840,350,589,645.38/27,455,840.34 - Step 6: Final answer
x = 20,791,217.59
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1.5x scale
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.