Finding the Fourth Proportional to 20,102,947.04, 27,742,045.92 and 10,935,567.92
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Solution
The fourth proportional to 20,102,947.04, 27,742,045.92 and 10,935,567.92 is: 15,091,072.31
Step by Step Solution
- Step 1: Write the proportion equation
20,102,947.04 : 27,742,045.92 = 10,935,567.92 : x - Step 2: Convert to fraction form
20,102,947.04/27,742,045.92 = 10,935,567.92/x - Step 3: Cross multiply
20,102,947.04x = 27,742,045.92 × 10,935,567.92 - Step 4: Simplify right side
20,102,947.04x = 303,375,027,397,918.88 - Step 5: Solve for x
x = 303,375,027,397,918.88/20,102,947.04 - Step 6: Final answer
x = 15,091,072.31
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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.