Finding the Fourth Proportional to 16,130,348.86, 22,244,927.79 and 11,772,532.66
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Solution
The fourth proportional to 16,130,348.86, 22,244,927.79 and 11,772,532.66 is: 16,235,181.35
Step by Step Solution
- Step 1: Write the proportion equation
16,130,348.86 : 22,244,927.79 = 11,772,532.66 : x - Step 2: Convert to fraction form
16,130,348.86/22,244,927.79 = 11,772,532.66/x - Step 3: Cross multiply
16,130,348.86x = 22,244,927.79 × 11,772,532.66 - Step 4: Simplify right side
16,130,348.86x = 261,879,138,927,116.62 - Step 5: Solve for x
x = 261,879,138,927,116.62/16,130,348.86 - Step 6: Final answer
x = 16,235,181.35
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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.