Finding the Fourth Proportional to 10,489,883.09, 15,736,506.14 and 4,425,508.09
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Solution
The fourth proportional to 10,489,883.09, 15,736,506.14 and 4,425,508.09 is: 6,638,971.53
Step by Step Solution
- Step 1: Write the proportion equation
10,489,883.09 : 15,736,506.14 = 4,425,508.09 : x - Step 2: Convert to fraction form
10,489,883.09/15,736,506.14 = 4,425,508.09/x - Step 3: Cross multiply
10,489,883.09x = 15,736,506.14 × 4,425,508.09 - Step 4: Simplify right side
10,489,883.09x = 69,642,035,230,904.67 - Step 5: Solve for x
x = 69,642,035,230,904.67/10,489,883.09 - Step 6: Final answer
x = 6,638,971.53
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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.