Finding the Fourth Proportional to 7,920,317.82, 11,885,474.52 and 3,371,359.44
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Solution
The fourth proportional to 7,920,317.82, 11,885,474.52 and 3,371,359.44 is: 5,059,166.52
Step by Step Solution
- Step 1: Write the proportion equation
7,920,317.82 : 11,885,474.52 = 3,371,359.44 : x - Step 2: Convert to fraction form
7,920,317.82/11,885,474.52 = 3,371,359.44/x - Step 3: Cross multiply
7,920,317.82x = 11,885,474.52 × 3,371,359.44 - Step 4: Simplify right side
7,920,317.82x = 40,070,206,721,881.47 - Step 5: Solve for x
x = 40,070,206,721,881.47/7,920,317.82 - Step 6: Final answer
x = 5,059,166.52
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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.