Finding the Fourth Proportional to 7,639,026.36, 10,539,273.24 and 4,330,965.48
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Solution
The fourth proportional to 7,639,026.36, 10,539,273.24 and 4,330,965.48 is: 5,975,267.85
Step by Step Solution
- Step 1: Write the proportion equation
7,639,026.36 : 10,539,273.24 = 4,330,965.48 : x - Step 2: Convert to fraction form
7,639,026.36/10,539,273.24 = 4,330,965.48/x - Step 3: Cross multiply
7,639,026.36x = 10,539,273.24 × 4,330,965.48 - Step 4: Simplify right side
7,639,026.36x = 45,645,228,586,727.76 - Step 5: Solve for x
x = 45,645,228,586,727.76/7,639,026.36 - Step 6: Final answer
x = 5,975,267.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.