Finding the Fourth Proportional to 23,772,461.20, 32,806,117.47 and 13,461,193.60
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Solution
The fourth proportional to 23,772,461.20, 32,806,117.47 and 13,461,193.60 is: 18,576,515.69
Step by Step Solution
- Step 1: Write the proportion equation
23,772,461.20 : 32,806,117.47 = 13,461,193.60 : x - Step 2: Convert to fraction form
23,772,461.20/32,806,117.47 = 13,461,193.60/x - Step 3: Cross multiply
23,772,461.20x = 32,806,117.47 × 13,461,193.60 - Step 4: Simplify right side
23,772,461.20x = 441,609,498,528,012.19 - Step 5: Solve for x
x = 441,609,498,528,012.19/23,772,461.20 - Step 6: Final answer
x = 18,576,515.69
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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.