Finding the Fourth Proportional to 9,013,658.19, 13,520,504.16 and 2,190,237.03
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Solution
The fourth proportional to 9,013,658.19, 13,520,504.16 and 2,190,237.03 is: 3,285,359.65
Step by Step Solution
- Step 1: Write the proportion equation
9,013,658.19 : 13,520,504.16 = 2,190,237.03 : x - Step 2: Convert to fraction form
9,013,658.19/13,520,504.16 = 2,190,237.03/x - Step 3: Cross multiply
9,013,658.19x = 13,520,504.16 × 2,190,237.03 - Step 4: Simplify right side
9,013,658.19x = 29,613,108,875,501.04 - Step 5: Solve for x
x = 29,613,108,875,501.04/9,013,658.19 - Step 6: Final answer
x = 3,285,359.65
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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.