Finding the Fourth Proportional to 10,349,423.80, 15,524,135.70 and 4,955,297.65
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Solution
The fourth proportional to 10,349,423.80, 15,524,135.70 and 4,955,297.65 is: 7,432,946.48
Step by Step Solution
- Step 1: Write the proportion equation
10,349,423.80 : 15,524,135.70 = 4,955,297.65 : x - Step 2: Convert to fraction form
10,349,423.80/15,524,135.70 = 4,955,297.65/x - Step 3: Cross multiply
10,349,423.80x = 15,524,135.70 × 4,955,297.65 - Step 4: Simplify right side
10,349,423.80x = 76,926,713,152,491.11 - Step 5: Solve for x
x = 76,926,713,152,491.11/10,349,423.80 - Step 6: Final answer
x = 7,432,946.48
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1.5x scale
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.