Finding the Fourth Proportional to 27,455,839.08, 37,888,953.94 and 15,066,139.80
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Solution
The fourth proportional to 27,455,839.08, 37,888,953.94 and 15,066,139.80 is: 20,791,215.86
Step by Step Solution
- Step 1: Write the proportion equation
27,455,839.08 : 37,888,953.94 = 15,066,139.80 : x - Step 2: Convert to fraction form
27,455,839.08/37,888,953.94 = 15,066,139.80/x - Step 3: Cross multiply
27,455,839.08x = 37,888,953.94 × 15,066,139.80 - Step 4: Simplify right side
27,455,839.08x = 570,840,276,935,800.75 - Step 5: Solve for x
x = 570,840,276,935,800.75/27,455,839.08 - Step 6: Final answer
x = 20,791,215.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.