Finding the Fourth Proportional to 7,499,225.12, 11,249,420.88 and 2,451,045.92
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Solution
The fourth proportional to 7,499,225.12, 11,249,420.88 and 2,451,045.92 is: 3,676,759.49
Step by Step Solution
- Step 1: Write the proportion equation
7,499,225.12 : 11,249,420.88 = 2,451,045.92 : x - Step 2: Convert to fraction form
7,499,225.12/11,249,420.88 = 2,451,045.92/x - Step 3: Cross multiply
7,499,225.12x = 11,249,420.88 × 2,451,045.92 - Step 4: Simplify right side
7,499,225.12x = 27,572,847,150,286.81 - Step 5: Solve for x
x = 27,572,847,150,286.81/7,499,225.12 - Step 6: Final answer
x = 3,676,759.49
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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.