Finding the Fourth Proportional to 9,900,708.70, 14,847,330.45 and 4,143,841.26
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Solution
The fourth proportional to 9,900,708.70, 14,847,330.45 and 4,143,841.26 is: 6,214,199.65
Step by Step Solution
- Step 1: Write the proportion equation
9,900,708.70 : 14,847,330.45 = 4,143,841.26 : x - Step 2: Convert to fraction form
9,900,708.70/14,847,330.45 = 4,143,841.26/x - Step 3: Cross multiply
9,900,708.70x = 14,847,330.45 × 4,143,841.26 - Step 4: Simplify right side
9,900,708.70x = 61,524,980,519,564.36 - Step 5: Solve for x
x = 61,524,980,519,564.36/9,900,708.70 - Step 6: Final answer
x = 6,214,199.65
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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.