Finding the Fourth Proportional to 26,769,120.21, 36,938,387.61 and 15,164,198.37
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Solution
The fourth proportional to 26,769,120.21, 36,938,387.61 and 15,164,198.37 is: 20,924,895.28
Step by Step Solution
- Step 1: Write the proportion equation
26,769,120.21 : 36,938,387.61 = 15,164,198.37 : x - Step 2: Convert to fraction form
26,769,120.21/36,938,387.61 = 15,164,198.37/x - Step 3: Cross multiply
26,769,120.21x = 36,938,387.61 × 15,164,198.37 - Step 4: Simplify right side
26,769,120.21x = 560,141,037,185,990.19 - Step 5: Solve for x
x = 560,141,037,185,990.19/26,769,120.21 - Step 6: Final answer
x = 20,924,895.28
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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.