Finding the Fourth Proportional to 51,785,396.64, 77,688,327.84 and 18,996,269.76
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Solution
The fourth proportional to 51,785,396.64, 77,688,327.84 and 18,996,269.76 is: 28,498,158.33
Step by Step Solution
- Step 1: Write the proportion equation
51,785,396.64 : 77,688,327.84 = 18,996,269.76 : x - Step 2: Convert to fraction form
51,785,396.64/77,688,327.84 = 18,996,269.76/x - Step 3: Cross multiply
51,785,396.64x = 77,688,327.84 × 18,996,269.76 - Step 4: Simplify right side
51,785,396.64x = 1,475,788,432,851,958.25 - Step 5: Solve for x
x = 1,475,788,432,851,958.25/51,785,396.64 - Step 6: Final answer
x = 28,498,158.33
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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.