Finding the Fourth Proportional to 7,920,335.13, 11,885,500.41 and 3,371,376.66
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Solution
The fourth proportional to 7,920,335.13, 11,885,500.41 and 3,371,376.66 is: 5,059,192.32
Step by Step Solution
- Step 1: Write the proportion equation
7,920,335.13 : 11,885,500.41 = 3,371,376.66 : x - Step 2: Convert to fraction form
7,920,335.13/11,885,500.41 = 3,371,376.66/x - Step 3: Cross multiply
7,920,335.13x = 11,885,500.41 × 3,371,376.66 - Step 4: Simplify right side
7,920,335.13x = 40,070,498,617,481.14 - Step 5: Solve for x
x = 40,070,498,617,481.14/7,920,335.13 - Step 6: Final answer
x = 5,059,192.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.