Finding the Fourth Proportional to 22,943,139.26, 31,664,235.59 and 12,886,296.53
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Solution
The fourth proportional to 22,943,139.26, 31,664,235.59 and 12,886,296.53 is: 17,784,607.62
Step by Step Solution
- Step 1: Write the proportion equation
22,943,139.26 : 31,664,235.59 = 12,886,296.53 : x - Step 2: Convert to fraction form
22,943,139.26/31,664,235.59 = 12,886,296.53/x - Step 3: Cross multiply
22,943,139.26x = 31,664,235.59 × 12,886,296.53 - Step 4: Simplify right side
22,943,139.26x = 408,034,729,212,201.81 - Step 5: Solve for x
x = 408,034,729,212,201.81/22,943,139.26 - Step 6: Final answer
x = 17,784,607.62
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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.