Finding the Fourth Proportional to 31,590,410, 47,385,615 and 7,655,882
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Solution
The fourth proportional to 31,590,410, 47,385,615 and 7,655,882 is: 11,483,823
Step by Step Solution
- Step 1: Write the proportion equation
31,590,410 : 47,385,615 = 7,655,882 : x - Step 2: Convert to fraction form
31,590,410/47,385,615 = 7,655,882/x - Step 3: Cross multiply
31,590,410x = 47,385,615 × 7,655,882 - Step 4: Simplify right side
31,590,410x = 362,778,676,937,430 - Step 5: Solve for x
x = 362,778,676,937,430/31,590,410 - Step 6: Final answer
x = 11,483,823
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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.