Finding the Fourth Proportional to 8,165,720.36, 12,249,343.56 and 2,408,459.60
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Solution
The fourth proportional to 8,165,720.36, 12,249,343.56 and 2,408,459.60 is: 3,612,914.45
Step by Step Solution
- Step 1: Write the proportion equation
8,165,720.36 : 12,249,343.56 = 2,408,459.60 : x - Step 2: Convert to fraction form
8,165,720.36/12,249,343.56 = 2,408,459.60/x - Step 3: Cross multiply
8,165,720.36x = 12,249,343.56 × 2,408,459.60 - Step 4: Simplify right side
8,165,720.36x = 29,502,049,090,780.18 - Step 5: Solve for x
x = 29,502,049,090,780.18/8,165,720.36 - Step 6: Final answer
x = 3,612,914.45
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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.