Finding the Fourth Proportional to 10,251,711.70, 15,367,069.95 and 5,989,686.10
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Solution
The fourth proportional to 10,251,711.70, 15,367,069.95 and 5,989,686.10 is: 8,978,395.80
Step by Step Solution
- Step 1: Write the proportion equation
10,251,711.70 : 15,367,069.95 = 5,989,686.10 : x - Step 2: Convert to fraction form
10,251,711.70/15,367,069.95 = 5,989,686.10/x - Step 3: Cross multiply
10,251,711.70x = 15,367,069.95 × 5,989,686.10 - Step 4: Simplify right side
10,251,711.70x = 92,043,925,277,242.69 - Step 5: Solve for x
x = 92,043,925,277,242.69/10,251,711.70 - Step 6: Final answer
x = 8,978,395.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.