Finding the Fourth Proportional to 11,028,285.98, 15,218,899.35 and 6,199,389.98
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Solution
The fourth proportional to 11,028,285.98, 15,218,899.35 and 6,199,389.98 is: 8,555,082.11
Step by Step Solution
- Step 1: Write the proportion equation
11,028,285.98 : 15,218,899.35 = 6,199,389.98 : x - Step 2: Convert to fraction form
11,028,285.98/15,218,899.35 = 6,199,389.98/x - Step 3: Cross multiply
11,028,285.98x = 15,218,899.35 × 6,199,389.98 - Step 4: Simplify right side
11,028,285.98x = 94,347,892,137,018.52 - Step 5: Solve for x
x = 94,347,892,137,018.52/11,028,285.98 - Step 6: Final answer
x = 8,555,082.11
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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.