Finding the Fourth Proportional to 39,581,133.18, 54,621,925.74 and 22,177,603.19
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Solution
The fourth proportional to 39,581,133.18, 54,621,925.74 and 22,177,603.19 is: 30,605,071.08
Step by Step Solution
- Step 1: Write the proportion equation
39,581,133.18 : 54,621,925.74 = 22,177,603.19 : x - Step 2: Convert to fraction form
39,581,133.18/54,621,925.74 = 22,177,603.19/x - Step 3: Cross multiply
39,581,133.18x = 54,621,925.74 × 22,177,603.19 - Step 4: Simplify right side
39,581,133.18x = 1,211,383,394,262,257.50 - Step 5: Solve for x
x = 1,211,383,394,262,257.50/39,581,133.18 - Step 6: Final answer
x = 30,605,071.08
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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.