Finding the Fourth Proportional to 22,290,702.24, 30,764,531.52 and 13,593,919.68
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Solution
The fourth proportional to 22,290,702.24, 30,764,531.52 and 13,593,919.68 is: 18,761,659.73
Step by Step Solution
- Step 1: Write the proportion equation
22,290,702.24 : 30,764,531.52 = 13,593,919.68 : x - Step 2: Convert to fraction form
22,290,702.24/30,764,531.52 = 13,593,919.68/x - Step 3: Cross multiply
22,290,702.24x = 30,764,531.52 × 13,593,919.68 - Step 4: Simplify right side
22,290,702.24x = 418,210,570,475,708.31 - Step 5: Solve for x
x = 418,210,570,475,708.31/22,290,702.24 - Step 6: Final answer
x = 18,761,659.73
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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.