Finding the Fourth Proportional to 10,585,385.74, 15,885,157.20 and 4,521,534.58
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Solution
The fourth proportional to 10,585,385.74, 15,885,157.20 and 4,521,534.58 is: 6,785,325.48
Step by Step Solution
- Step 1: Write the proportion equation
10,585,385.74 : 15,885,157.20 = 4,521,534.58 : x - Step 2: Convert to fraction form
10,585,385.74/15,885,157.20 = 4,521,534.58/x - Step 3: Cross multiply
10,585,385.74x = 15,885,157.20 × 4,521,534.58 - Step 4: Simplify right side
10,585,385.74x = 71,825,287,588,535.97 - Step 5: Solve for x
x = 71,825,287,588,535.97/10,585,385.74 - Step 6: Final answer
x = 6,785,325.48
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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.