Finding the Fourth Proportional to 10,656,277.20, 15,984,415.80 and 7,465,006.80
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Solution
The fourth proportional to 10,656,277.20, 15,984,415.80 and 7,465,006.80 is: 11,197,510.20
Step by Step Solution
- Step 1: Write the proportion equation
10,656,277.20 : 15,984,415.80 = 7,465,006.80 : x - Step 2: Convert to fraction form
10,656,277.20/15,984,415.80 = 7,465,006.80/x - Step 3: Cross multiply
10,656,277.20x = 15,984,415.80 × 7,465,006.80 - Step 4: Simplify right side
10,656,277.20x = 119,323,772,641,027.44 - Step 5: Solve for x
x = 119,323,772,641,027.44/10,656,277.20 - Step 6: Final answer
x = 11,197,510.20
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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.