Finding the Fourth Proportional to 13,207,512.40, 18,452,726 and 13,207,512.40
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Solution
The fourth proportional to 13,207,512.40, 18,452,726 and 13,207,512.40 is: 18,452,726
Step by Step Solution
- Step 1: Write the proportion equation
13,207,512.40 : 18,452,726 = 13,207,512.40 : x - Step 2: Convert to fraction form
13,207,512.40/18,452,726 = 13,207,512.40/x - Step 3: Cross multiply
13,207,512.40x = 18,452,726 × 13,207,512.40 - Step 4: Simplify right side
13,207,512.40x = 243,714,607,458,802.41 - Step 5: Solve for x
x = 243,714,607,458,802.41/13,207,512.40 - Step 6: Final answer
x = 18,452,726
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.