Finding the Fourth Proportional to 8,108,011.13, 11,189,056.73 and 4,436,928.65
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Solution
The fourth proportional to 8,108,011.13, 11,189,056.73 and 4,436,928.65 is: 6,122,962.28
Step by Step Solution
- Step 1: Write the proportion equation
8,108,011.13 : 11,189,056.73 = 4,436,928.65 : x - Step 2: Convert to fraction form
8,108,011.13/11,189,056.73 = 4,436,928.65/x - Step 3: Cross multiply
8,108,011.13x = 11,189,056.73 × 4,436,928.65 - Step 4: Simplify right side
8,108,011.13x = 49,645,046,327,142.95 - Step 5: Solve for x
x = 49,645,046,327,142.95/8,108,011.13 - Step 6: Final answer
x = 6,122,962.28
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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.