Finding the Fourth Proportional to 47,457,911.68, 65,489,396.16 and 26,830,124.80
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Solution
The fourth proportional to 47,457,911.68, 65,489,396.16 and 26,830,124.80 is: 37,024,146.45
Step by Step Solution
- Step 1: Write the proportion equation
47,457,911.68 : 65,489,396.16 = 26,830,124.80 : x - Step 2: Convert to fraction form
47,457,911.68/65,489,396.16 = 26,830,124.80/x - Step 3: Cross multiply
47,457,911.68x = 65,489,396.16 × 26,830,124.80 - Step 4: Simplify right side
47,457,911.68x = 1,757,088,672,049,440.75 - Step 5: Solve for x
x = 1,757,088,672,049,440.75/47,457,911.68 - Step 6: Final answer
x = 37,024,146.45
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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.