Finding the Fourth Proportional to 11,073,389.06, 15,281,319.12 and 6,178,817.46
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Solution
The fourth proportional to 11,073,389.06, 15,281,319.12 and 6,178,817.46 is: 8,526,791.65
Step by Step Solution
- Step 1: Write the proportion equation
11,073,389.06 : 15,281,319.12 = 6,178,817.46 : x - Step 2: Convert to fraction form
11,073,389.06/15,281,319.12 = 6,178,817.46/x - Step 3: Cross multiply
11,073,389.06x = 15,281,319.12 × 6,178,817.46 - Step 4: Simplify right side
11,073,389.06x = 94,420,481,390,487.83 - Step 5: Solve for x
x = 94,420,481,390,487.83/11,073,389.06 - Step 6: Final answer
x = 8,526,791.65
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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.