Finding the Fourth Proportional to 28,161,177.54, 42,259,535.97 and 11,987,102.98
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Solution
The fourth proportional to 28,161,177.54, 42,259,535.97 and 11,987,102.98 is: 17,988,218.31
Step by Step Solution
- Step 1: Write the proportion equation
28,161,177.54 : 42,259,535.97 = 11,987,102.98 : x - Step 2: Convert to fraction form
28,161,177.54/42,259,535.97 = 11,987,102.98/x - Step 3: Cross multiply
28,161,177.54x = 42,259,535.97 × 11,987,102.98 - Step 4: Simplify right side
28,161,177.54x = 506,569,409,559,404.19 - Step 5: Solve for x
x = 506,569,409,559,404.19/28,161,177.54 - Step 6: Final answer
x = 17,988,218.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.