Finding the Fourth Proportional to 10,349,421.80, 15,524,132.70 and 4,955,295.65
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Solution
The fourth proportional to 10,349,421.80, 15,524,132.70 and 4,955,295.65 is: 7,432,943.48
Step by Step Solution
- Step 1: Write the proportion equation
10,349,421.80 : 15,524,132.70 = 4,955,295.65 : x - Step 2: Convert to fraction form
10,349,421.80/15,524,132.70 = 4,955,295.65/x - Step 3: Cross multiply
10,349,421.80x = 15,524,132.70 × 4,955,295.65 - Step 4: Simplify right side
10,349,421.80x = 76,926,667,238,332.75 - Step 5: Solve for x
x = 76,926,667,238,332.75/10,349,421.80 - Step 6: Final answer
x = 7,432,943.48
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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.