Finding the Fourth Proportional to 55,684,743.92, 83,530,306.44 and 14,743,117.76
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Solution
The fourth proportional to 55,684,743.92, 83,530,306.44 and 14,743,117.76 is: 22,115,521.37
Step by Step Solution
- Step 1: Write the proportion equation
55,684,743.92 : 83,530,306.44 = 14,743,117.76 : x - Step 2: Convert to fraction form
55,684,743.92/83,530,306.44 = 14,743,117.76/x - Step 3: Cross multiply
55,684,743.92x = 83,530,306.44 × 14,743,117.76 - Step 4: Simplify right side
55,684,743.92x = 1,231,497,144,373,806.25 - Step 5: Solve for x
x = 1,231,497,144,373,806.25/55,684,743.92 - Step 6: Final answer
x = 22,115,521.37
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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.