Finding the Fourth Proportional to 7,832,638.99, 11,746,297.72 and 2,713,874.23
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Solution
The fourth proportional to 7,832,638.99, 11,746,297.72 and 2,713,874.23 is: 4,069,889.43
Step by Step Solution
- Step 1: Write the proportion equation
7,832,638.99 : 11,746,297.72 = 2,713,874.23 : x - Step 2: Convert to fraction form
7,832,638.99/11,746,297.72 = 2,713,874.23/x - Step 3: Cross multiply
7,832,638.99x = 11,746,297.72 × 2,713,874.23 - Step 4: Simplify right side
7,832,638.99x = 31,877,974,666,646.38 - Step 5: Solve for x
x = 31,877,974,666,646.38/7,832,638.99 - Step 6: Final answer
x = 4,069,889.43
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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.