Finding the Fourth Proportional to 10,260,035.60, 15,382,277.40 and 5,214,966.80
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Solution
The fourth proportional to 10,260,035.60, 15,382,277.40 and 5,214,966.80 is: 7,818,497.82
Step by Step Solution
- Step 1: Write the proportion equation
10,260,035.60 : 15,382,277.40 = 5,214,966.80 : x - Step 2: Convert to fraction form
10,260,035.60/15,382,277.40 = 5,214,966.80/x - Step 3: Cross multiply
10,260,035.60x = 15,382,277.40 × 5,214,966.80 - Step 4: Simplify right side
10,260,035.60x = 80,218,065,949,390.31 - Step 5: Solve for x
x = 80,218,065,949,390.31/10,260,035.60 - Step 6: Final answer
x = 7,818,497.82
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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.