Finding the Fourth Proportional to 38,291,536.96, 52,842,256.94 and 20,887,882.18
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Solution
The fourth proportional to 38,291,536.96, 52,842,256.94 and 20,887,882.18 is: 28,825,242.46
Step by Step Solution
- Step 1: Write the proportion equation
38,291,536.96 : 52,842,256.94 = 20,887,882.18 : x - Step 2: Convert to fraction form
38,291,536.96/52,842,256.94 = 20,887,882.18/x - Step 3: Cross multiply
38,291,536.96x = 52,842,256.94 × 20,887,882.18 - Step 4: Simplify right side
38,291,536.96x = 1,103,762,837,088,007.25 - Step 5: Solve for x
x = 1,103,762,837,088,007.25/38,291,536.96 - Step 6: Final answer
x = 28,825,242.46
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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.