Finding the Fourth Proportional to 25,428,930.36, 38,160,355.86 and 9,254,877.09
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Solution
The fourth proportional to 25,428,930.36, 38,160,355.86 and 9,254,877.09 is: 13,888,488.36
Step by Step Solution
- Step 1: Write the proportion equation
25,428,930.36 : 38,160,355.86 = 9,254,877.09 : x - Step 2: Convert to fraction form
25,428,930.36/38,160,355.86 = 9,254,877.09/x - Step 3: Cross multiply
25,428,930.36x = 38,160,355.86 × 9,254,877.09 - Step 4: Simplify right side
25,428,930.36x = 353,169,403,194,961.25 - Step 5: Solve for x
x = 353,169,403,194,961.25/25,428,930.36 - Step 6: Final answer
x = 13,888,488.36
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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.