Finding the Fourth Proportional to 38,984,764.08, 53,799,400.08 and 21,581,400
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Solution
The fourth proportional to 38,984,764.08, 53,799,400.08 and 21,581,400 is: 29,782,567.63
Step by Step Solution
- Step 1: Write the proportion equation
38,984,764.08 : 53,799,400.08 = 21,581,400 : x - Step 2: Convert to fraction form
38,984,764.08/53,799,400.08 = 21,581,400/x - Step 3: Cross multiply
38,984,764.08x = 53,799,400.08 × 21,581,400 - Step 4: Simplify right side
38,984,764.08x = 1,161,066,372,886,512 - Step 5: Solve for x
x = 1,161,066,372,886,512/38,984,764.08 - Step 6: Final answer
x = 29,782,567.63
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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.