Finding the Fourth Proportional to 10,308,386.37, 14,225,183.45 and 5,725,002.99
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Solution
The fourth proportional to 10,308,386.37, 14,225,183.45 and 5,725,002.99 is: 7,900,287.67
Step by Step Solution
- Step 1: Write the proportion equation
10,308,386.37 : 14,225,183.45 = 5,725,002.99 : x - Step 2: Convert to fraction form
10,308,386.37/14,225,183.45 = 5,725,002.99/x - Step 3: Cross multiply
10,308,386.37x = 14,225,183.45 × 5,725,002.99 - Step 4: Simplify right side
10,308,386.37x = 81,439,217,794,624.55 - Step 5: Solve for x
x = 81,439,217,794,624.55/10,308,386.37 - Step 6: Final answer
x = 7,900,287.67
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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.