Finding the Fourth Proportional to 9,423,052.20, 14,134,578.30 and 7,031,567.70
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Solution
The fourth proportional to 9,423,052.20, 14,134,578.30 and 7,031,567.70 is: 10,547,351.55
Step by Step Solution
- Step 1: Write the proportion equation
9,423,052.20 : 14,134,578.30 = 7,031,567.70 : x - Step 2: Convert to fraction form
9,423,052.20/14,134,578.30 = 7,031,567.70/x - Step 3: Cross multiply
9,423,052.20x = 14,134,578.30 × 7,031,567.70 - Step 4: Simplify right side
9,423,052.20x = 99,388,244,227,400.92 - Step 5: Solve for x
x = 99,388,244,227,400.92/9,423,052.20 - Step 6: Final answer
x = 10,547,351.55
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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.