Finding the Fourth Proportional to 27,059,321.68, 40,584,661.80 and 7,885,593.79
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Solution
The fourth proportional to 27,059,321.68, 40,584,661.80 and 7,885,593.79 is: 11,827,131.55
Step by Step Solution
- Step 1: Write the proportion equation
27,059,321.68 : 40,584,661.80 = 7,885,593.79 : x - Step 2: Convert to fraction form
27,059,321.68/40,584,661.80 = 7,885,593.79/x - Step 3: Cross multiply
27,059,321.68x = 40,584,661.80 × 7,885,593.79 - Step 4: Simplify right side
27,059,321.68x = 320,034,157,059,330.19 - Step 5: Solve for x
x = 320,034,157,059,330.19/27,059,321.68 - Step 6: Final answer
x = 11,827,131.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.