Finding the Fourth Proportional to 16,131,585.47, 22,256,812.28 and 9,599,978.75
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Solution
The fourth proportional to 16,131,585.47, 22,256,812.28 and 9,599,978.75 is: 13,245,128.65
Step by Step Solution
- Step 1: Write the proportion equation
16,131,585.47 : 22,256,812.28 = 9,599,978.75 : x - Step 2: Convert to fraction form
16,131,585.47/22,256,812.28 = 9,599,978.75/x - Step 3: Cross multiply
16,131,585.47x = 22,256,812.28 × 9,599,978.75 - Step 4: Simplify right side
16,131,585.47x = 213,664,924,882,739.16 - Step 5: Solve for x
x = 213,664,924,882,739.16/16,131,585.47 - Step 6: Final answer
x = 13,245,128.65
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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.