Finding the Fourth Proportional to 10,927,536.30, 15,081,974.10 and 6,517,545.12
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Solution
The fourth proportional to 10,927,536.30, 15,081,974.10 and 6,517,545.12 is: 8,995,389.63
Step by Step Solution
- Step 1: Write the proportion equation
10,927,536.30 : 15,081,974.10 = 6,517,545.12 : x - Step 2: Convert to fraction form
10,927,536.30/15,081,974.10 = 6,517,545.12/x - Step 3: Cross multiply
10,927,536.30x = 15,081,974.10 × 6,517,545.12 - Step 4: Simplify right side
10,927,536.30x = 98,297,446,695,421.39 - Step 5: Solve for x
x = 98,297,446,695,421.39/10,927,536.30 - Step 6: Final answer
x = 8,995,389.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.