Finding the Fourth Proportional to 28,471,303.96, 39,290,194 and 15,418,260.04
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Solution
The fourth proportional to 28,471,303.96, 39,290,194 and 15,418,260.04 is: 21,277,087.59
Step by Step Solution
- Step 1: Write the proportion equation
28,471,303.96 : 39,290,194 = 15,418,260.04 : x - Step 2: Convert to fraction form
28,471,303.96/39,290,194 = 15,418,260.04/x - Step 3: Cross multiply
28,471,303.96x = 39,290,194 × 15,418,260.04 - Step 4: Simplify right side
28,471,303.96x = 605,786,428,114,047.75 - Step 5: Solve for x
x = 605,786,428,114,047.75/28,471,303.96 - Step 6: Final answer
x = 21,277,087.59
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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.