Finding the Fourth Proportional to 8,422,930.65, 11,624,175.80 and 4,750,507.29
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Solution
The fourth proportional to 8,422,930.65, 11,624,175.80 and 4,750,507.29 is: 6,555,999.82
Step by Step Solution
- Step 1: Write the proportion equation
8,422,930.65 : 11,624,175.80 = 4,750,507.29 : x - Step 2: Convert to fraction form
8,422,930.65/11,624,175.80 = 4,750,507.29/x - Step 3: Cross multiply
8,422,930.65x = 11,624,175.80 × 4,750,507.29 - Step 4: Simplify right side
8,422,930.65x = 55,220,731,854,389.05 - Step 5: Solve for x
x = 55,220,731,854,389.05/8,422,930.65 - Step 6: Final answer
x = 6,555,999.82
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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.