Finding the Fourth Proportional to 7,474,457.70, 11,204,688.15 and 5,854,328.10
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Solution
The fourth proportional to 7,474,457.70, 11,204,688.15 and 5,854,328.10 is: 8,776,010.69
Step by Step Solution
- Step 1: Write the proportion equation
7,474,457.70 : 11,204,688.15 = 5,854,328.10 : x - Step 2: Convert to fraction form
7,474,457.70/11,204,688.15 = 5,854,328.10/x - Step 3: Cross multiply
7,474,457.70x = 11,204,688.15 × 5,854,328.10 - Step 4: Simplify right side
7,474,457.70x = 65,595,920,688,282.02 - Step 5: Solve for x
x = 65,595,920,688,282.02/7,474,457.70 - Step 6: Final answer
x = 8,776,010.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.