Finding the Fourth Proportional to 19,695,528.74, 27,184,364.62 and 11,549,391.14
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Solution
The fourth proportional to 19,695,528.74, 27,184,364.62 and 11,549,391.14 is: 15,940,819.05
Step by Step Solution
- Step 1: Write the proportion equation
19,695,528.74 : 27,184,364.62 = 11,549,391.14 : x - Step 2: Convert to fraction form
19,695,528.74/27,184,364.62 = 11,549,391.14/x - Step 3: Cross multiply
19,695,528.74x = 27,184,364.62 × 11,549,391.14 - Step 4: Simplify right side
19,695,528.74x = 313,962,859,723,962.19 - Step 5: Solve for x
x = 313,962,859,723,962.19/19,695,528.74 - Step 6: Final answer
x = 15,940,819.05
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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.