Finding the Fourth Proportional to 12,270,626.34, 18,403,946.01 and 5,793,689.18
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Solution
The fourth proportional to 12,270,626.34, 18,403,946.01 and 5,793,689.18 is: 8,689,592.51
Step by Step Solution
- Step 1: Write the proportion equation
12,270,626.34 : 18,403,946.01 = 5,793,689.18 : x - Step 2: Convert to fraction form
12,270,626.34/18,403,946.01 = 5,793,689.18/x - Step 3: Cross multiply
12,270,626.34x = 18,403,946.01 × 5,793,689.18 - Step 4: Simplify right side
12,270,626.34x = 106,626,742,775,421.45 - Step 5: Solve for x
x = 106,626,742,775,421.45/12,270,626.34 - Step 6: Final answer
x = 8,689,592.51
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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.