Finding the Fourth Proportional to 26,399,813.63, 36,431,823.77 and 14,639,910.03
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Solution
The fourth proportional to 26,399,813.63, 36,431,823.77 and 14,639,910.03 is: 20,203,120.74
Step by Step Solution
- Step 1: Write the proportion equation
26,399,813.63 : 36,431,823.77 = 14,639,910.03 : x - Step 2: Convert to fraction form
26,399,813.63/36,431,823.77 = 14,639,910.03/x - Step 3: Cross multiply
26,399,813.63x = 36,431,823.77 × 14,639,910.03 - Step 4: Simplify right side
26,399,813.63x = 533,358,622,148,415.88 - Step 5: Solve for x
x = 533,358,622,148,415.88/26,399,813.63 - Step 6: Final answer
x = 20,203,120.74
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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.