Finding the Fourth Proportional to 10,934,933.52, 15,087,179.70 and 6,288,466.08
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Solution
The fourth proportional to 10,934,933.52, 15,087,179.70 and 6,288,466.08 is: 8,676,341.53
Step by Step Solution
- Step 1: Write the proportion equation
10,934,933.52 : 15,087,179.70 = 6,288,466.08 : x - Step 2: Convert to fraction form
10,934,933.52/15,087,179.70 = 6,288,466.08/x - Step 3: Cross multiply
10,934,933.52x = 15,087,179.70 × 6,288,466.08 - Step 4: Simplify right side
10,934,933.52x = 94,875,217,786,314.58 - Step 5: Solve for x
x = 94,875,217,786,314.58/10,934,933.52 - Step 6: Final answer
x = 8,676,341.53
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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.