Finding the Fourth Proportional to 17,559,880.40, 26,292,581.40 and 13,749,251.60
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Solution
The fourth proportional to 17,559,880.40, 26,292,581.40 and 13,749,251.60 is: 20,586,889.47
Step by Step Solution
- Step 1: Write the proportion equation
17,559,880.40 : 26,292,581.40 = 13,749,251.60 : x - Step 2: Convert to fraction form
17,559,880.40/26,292,581.40 = 13,749,251.60/x - Step 3: Cross multiply
17,559,880.40x = 26,292,581.40 × 13,749,251.60 - Step 4: Simplify right side
17,559,880.40x = 361,503,316,882,080.19 - Step 5: Solve for x
x = 361,503,316,882,080.19/17,559,880.40 - Step 6: Final answer
x = 20,586,889.47
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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.