Finding the Fourth Proportional to 11,583,123.95, 15,984,713.01 and 6,426,473.19
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Solution
The fourth proportional to 11,583,123.95, 15,984,713.01 and 6,426,473.19 is: 8,868,534.09
Step by Step Solution
- Step 1: Write the proportion equation
11,583,123.95 : 15,984,713.01 = 6,426,473.19 : x - Step 2: Convert to fraction form
11,583,123.95/15,984,713.01 = 6,426,473.19/x - Step 3: Cross multiply
11,583,123.95x = 15,984,713.01 × 6,426,473.19 - Step 4: Simplify right side
11,583,123.95x = 102,725,329,608,609.20 - Step 5: Solve for x
x = 102,725,329,608,609.20/11,583,123.95 - Step 6: Final answer
x = 8,868,534.09
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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.