Finding the Fourth Proportional to 27,349,721.80, 37,742,729.80 and 14,790,776.45
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Solution
The fourth proportional to 27,349,721.80, 37,742,729.80 and 14,790,776.45 is: 20,411,332.99
Step by Step Solution
- Step 1: Write the proportion equation
27,349,721.80 : 37,742,729.80 = 14,790,776.45 : x - Step 2: Convert to fraction form
27,349,721.80/37,742,729.80 = 14,790,776.45/x - Step 3: Cross multiply
27,349,721.80x = 37,742,729.80 × 14,790,776.45 - Step 4: Simplify right side
27,349,721.80x = 558,244,278,821,885.69 - Step 5: Solve for x
x = 558,244,278,821,885.69/27,349,721.80 - Step 6: Final answer
x = 20,411,332.99
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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.