Finding the Fourth Proportional to 20,837,102, 31,243,537.95 and 7,884,251.63
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Solution
The fourth proportional to 20,837,102, 31,243,537.95 and 7,884,251.63 is: 11,821,793.41
Step by Step Solution
- Step 1: Write the proportion equation
20,837,102 : 31,243,537.95 = 7,884,251.63 : x - Step 2: Convert to fraction form
20,837,102/31,243,537.95 = 7,884,251.63/x - Step 3: Cross multiply
20,837,102x = 31,243,537.95 × 7,884,251.63 - Step 4: Simplify right side
20,837,102x = 246,331,915,009,254.34 - Step 5: Solve for x
x = 246,331,915,009,254.34/20,837,102 - Step 6: Final answer
x = 11,821,793.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.