Finding the Fourth Proportional to 9,720,290.49, 13,414,408.14 and 5,590,324.44
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Solution
The fourth proportional to 9,720,290.49, 13,414,408.14 and 5,590,324.44 is: 7,714,881.95
Step by Step Solution
- Step 1: Write the proportion equation
9,720,290.49 : 13,414,408.14 = 5,590,324.44 : x - Step 2: Convert to fraction form
9,720,290.49/13,414,408.14 = 5,590,324.44/x - Step 3: Cross multiply
9,720,290.49x = 13,414,408.14 × 5,590,324.44 - Step 4: Simplify right side
9,720,290.49x = 74,990,893,673,176.95 - Step 5: Solve for x
x = 74,990,893,673,176.95/9,720,290.49 - Step 6: Final answer
x = 7,714,881.95
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1.5x scale
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.