Finding the Fourth Proportional to 52,829,635.36, 79,236,279.60 and 21,708,447.52
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Solution
The fourth proportional to 52,829,635.36, 79,236,279.60 and 21,708,447.52 is: 32,559,312.70
Step by Step Solution
- Step 1: Write the proportion equation
52,829,635.36 : 79,236,279.60 = 21,708,447.52 : x - Step 2: Convert to fraction form
52,829,635.36/79,236,279.60 = 21,708,447.52/x - Step 3: Cross multiply
52,829,635.36x = 79,236,279.60 × 21,708,447.52 - Step 4: Simplify right side
52,829,635.36x = 1,720,096,617,376,646.50 - Step 5: Solve for x
x = 1,720,096,617,376,646.50/52,829,635.36 - Step 6: Final answer
x = 32,559,312.70
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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.