Finding the Fourth Proportional to 14,585,147.36, 20,128,681.92 and 8,059,349.12
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Solution
The fourth proportional to 14,585,147.36, 20,128,681.92 and 8,059,349.12 is: 11,122,553.03
Step by Step Solution
- Step 1: Write the proportion equation
14,585,147.36 : 20,128,681.92 = 8,059,349.12 : x - Step 2: Convert to fraction form
14,585,147.36/20,128,681.92 = 8,059,349.12/x - Step 3: Cross multiply
14,585,147.36x = 20,128,681.92 × 8,059,349.12 - Step 4: Simplify right side
14,585,147.36x = 162,224,074,918,711.94 - Step 5: Solve for x
x = 162,224,074,918,711.94/14,585,147.36 - Step 6: Final answer
x = 11,122,553.03
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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.