Finding the Fourth Proportional to 16,460,894.08, 22,664,207.85 and 13,975,198.21
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Solution
The fourth proportional to 16,460,894.08, 22,664,207.85 and 13,975,198.21 is: 19,241,773.59
Step by Step Solution
- Step 1: Write the proportion equation
16,460,894.08 : 22,664,207.85 = 13,975,198.21 : x - Step 2: Convert to fraction form
16,460,894.08/22,664,207.85 = 13,975,198.21/x - Step 3: Cross multiply
16,460,894.08x = 22,664,207.85 × 13,975,198.21 - Step 4: Simplify right side
16,460,894.08x = 316,736,796,976,388 - Step 5: Solve for x
x = 316,736,796,976,388/16,460,894.08 - Step 6: Final answer
x = 19,241,773.59
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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.