Finding the Fourth Proportional to 8,538,574.70, 12,807,862.05 and 5,668,793.30
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Solution
The fourth proportional to 8,538,574.70, 12,807,862.05 and 5,668,793.30 is: 8,503,189.95
Step by Step Solution
- Step 1: Write the proportion equation
8,538,574.70 : 12,807,862.05 = 5,668,793.30 : x - Step 2: Convert to fraction form
8,538,574.70/12,807,862.05 = 5,668,793.30/x - Step 3: Cross multiply
8,538,574.70x = 12,807,862.05 × 5,668,793.30 - Step 4: Simplify right side
8,538,574.70x = 72,605,122,576,364.27 - Step 5: Solve for x
x = 72,605,122,576,364.27/8,538,574.70 - Step 6: Final answer
x = 8,503,189.95
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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.