Finding the Fourth Proportional to 28,446,327.36, 39,255,632.64 and 15,393,300.48
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Solution
The fourth proportional to 28,446,327.36, 39,255,632.64 and 15,393,300.48 is: 21,242,592.80
Step by Step Solution
- Step 1: Write the proportion equation
28,446,327.36 : 39,255,632.64 = 15,393,300.48 : x - Step 2: Convert to fraction form
28,446,327.36/39,255,632.64 = 15,393,300.48/x - Step 3: Cross multiply
28,446,327.36x = 39,255,632.64 × 15,393,300.48 - Step 4: Simplify right side
28,446,327.36x = 604,273,748,760,015.75 - Step 5: Solve for x
x = 604,273,748,760,015.75/28,446,327.36 - Step 6: Final answer
x = 21,242,592.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.