Finding the Fourth Proportional to 19,806,209.60, 29,708,959.70 and 8,132,046.08
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Solution
The fourth proportional to 19,806,209.60, 29,708,959.70 and 8,132,046.08 is: 12,197,923.49
Step by Step Solution
- Step 1: Write the proportion equation
19,806,209.60 : 29,708,959.70 = 8,132,046.08 : x - Step 2: Convert to fraction form
19,806,209.60/29,708,959.70 = 8,132,046.08/x - Step 3: Cross multiply
19,806,209.60x = 29,708,959.70 × 8,132,046.08 - Step 4: Simplify right side
19,806,209.60x = 241,594,629,269,262.97 - Step 5: Solve for x
x = 241,594,629,269,262.97/19,806,209.60 - Step 6: Final answer
x = 12,197,923.49
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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.