Finding the Fourth Proportional to 38,561,370.79, 53,214,685.92 and 22,041,850.07
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Solution
The fourth proportional to 38,561,370.79, 53,214,685.92 and 22,041,850.07 is: 30,417,749.80
Step by Step Solution
- Step 1: Write the proportion equation
38,561,370.79 : 53,214,685.92 = 22,041,850.07 : x - Step 2: Convert to fraction form
38,561,370.79/53,214,685.92 = 22,041,850.07/x - Step 3: Cross multiply
38,561,370.79x = 53,214,685.92 × 22,041,850.07 - Step 4: Simplify right side
38,561,370.79x = 1,172,950,128,570,780 - Step 5: Solve for x
x = 1,172,950,128,570,780/38,561,370.79 - Step 6: Final answer
x = 30,417,749.80
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1.5x scale
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.