Finding the Fourth Proportional to 10,366,237.30, 15,542,357.55 and 5,509,347.70
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Solution
The fourth proportional to 10,366,237.30, 15,542,357.55 and 5,509,347.70 is: 8,260,302.11
Step by Step Solution
- Step 1: Write the proportion equation
10,366,237.30 : 15,542,357.55 = 5,509,347.70 : x - Step 2: Convert to fraction form
10,366,237.30/15,542,357.55 = 5,509,347.70/x - Step 3: Cross multiply
10,366,237.30x = 15,542,357.55 × 5,509,347.70 - Step 4: Simplify right side
10,366,237.30x = 85,628,251,820,670.14 - Step 5: Solve for x
x = 85,628,251,820,670.14/10,366,237.30 - Step 6: Final answer
x = 8,260,302.11
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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.