Finding the Fourth Proportional to 18,576,002.70, 27,840,384.45 and 8,970,698.70
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Solution
The fourth proportional to 18,576,002.70, 27,840,384.45 and 8,970,698.70 is: 13,444,641.70
Step by Step Solution
- Step 1: Write the proportion equation
18,576,002.70 : 27,840,384.45 = 8,970,698.70 : x - Step 2: Convert to fraction form
18,576,002.70/27,840,384.45 = 8,970,698.70/x - Step 3: Cross multiply
18,576,002.70x = 27,840,384.45 × 8,970,698.70 - Step 4: Simplify right side
18,576,002.70x = 249,747,700,593,115.19 - Step 5: Solve for x
x = 249,747,700,593,115.19/18,576,002.70 - Step 6: Final answer
x = 13,444,641.70
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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.