Finding the Fourth Proportional to 19,695,598.92, 27,184,461.36 and 11,549,461.32
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Solution
The fourth proportional to 19,695,598.92, 27,184,461.36 and 11,549,461.32 is: 15,940,915.85
Step by Step Solution
- Step 1: Write the proportion equation
19,695,598.92 : 27,184,461.36 = 11,549,461.32 : x - Step 2: Convert to fraction form
19,695,598.92/27,184,461.36 = 11,549,461.32/x - Step 3: Cross multiply
19,695,598.92x = 27,184,461.36 × 11,549,461.32 - Step 4: Simplify right side
19,695,598.92x = 313,965,884,982,354.62 - Step 5: Solve for x
x = 313,965,884,982,354.62/19,695,598.92 - Step 6: Final answer
x = 15,940,915.85
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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.