Finding the Fourth Proportional to 27,759,698.14, 38,309,580.79 and 15,369,791.84
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Solution
The fourth proportional to 27,759,698.14, 38,309,580.79 and 15,369,791.84 is: 21,210,975.68
Step by Step Solution
- Step 1: Write the proportion equation
27,759,698.14 : 38,309,580.79 = 15,369,791.84 : x - Step 2: Convert to fraction form
27,759,698.14/38,309,580.79 = 15,369,791.84/x - Step 3: Cross multiply
27,759,698.14x = 38,309,580.79 × 15,369,791.84 - Step 4: Simplify right side
27,759,698.14x = 588,810,281,989,990.38 - Step 5: Solve for x
x = 588,810,281,989,990.38/27,759,698.14 - Step 6: Final answer
x = 21,210,975.68
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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.