Finding the Fourth Proportional to 19,695,579.84, 27,184,435.08 and 11,549,442.24
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Solution
The fourth proportional to 19,695,579.84, 27,184,435.08 and 11,549,442.24 is: 15,940,889.55
Step by Step Solution
- Step 1: Write the proportion equation
19,695,579.84 : 27,184,435.08 = 11,549,442.24 : x - Step 2: Convert to fraction form
19,695,579.84/27,184,435.08 = 11,549,442.24/x - Step 3: Cross multiply
19,695,579.84x = 27,184,435.08 × 11,549,442.24 - Step 4: Simplify right side
19,695,579.84x = 313,965,062,783,489.75 - Step 5: Solve for x
x = 313,965,062,783,489.75/19,695,579.84 - Step 6: Final answer
x = 15,940,889.55
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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.