Finding the Fourth Proportional to 38,967,547.20, 58,459,615.20 and 12,043,924.80
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Solution
The fourth proportional to 38,967,547.20, 58,459,615.20 and 12,043,924.80 is: 18,068,450.80
Step by Step Solution
- Step 1: Write the proportion equation
38,967,547.20 : 58,459,615.20 = 12,043,924.80 : x - Step 2: Convert to fraction form
38,967,547.20/58,459,615.20 = 12,043,924.80/x - Step 3: Cross multiply
38,967,547.20x = 58,459,615.20 × 12,043,924.80 - Step 4: Simplify right side
38,967,547.20x = 704,083,209,305,737 - Step 5: Solve for x
x = 704,083,209,305,737/38,967,547.20 - Step 6: Final answer
x = 18,068,450.80
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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.