Finding the Fourth Proportional to 7,461,769.66, 11,174,718.05 and 4,257,180.43
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Solution
The fourth proportional to 7,461,769.66, 11,174,718.05 and 4,257,180.43 is: 6,375,537.32
Step by Step Solution
- Step 1: Write the proportion equation
7,461,769.66 : 11,174,718.05 = 4,257,180.43 : x - Step 2: Convert to fraction form
7,461,769.66/11,174,718.05 = 4,257,180.43/x - Step 3: Cross multiply
7,461,769.66x = 11,174,718.05 × 4,257,180.43 - Step 4: Simplify right side
7,461,769.66x = 47,572,790,959,969.49 - Step 5: Solve for x
x = 47,572,790,959,969.49/7,461,769.66 - Step 6: Final answer
x = 6,375,537.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.