Finding the Fourth Proportional to 7,382,805.96, 10,186,750.95 and 4,242,462.42
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Solution
The fourth proportional to 7,382,805.96, 10,186,750.95 and 4,242,462.42 is: 5,853,723.95
Step by Step Solution
- Step 1: Write the proportion equation
7,382,805.96 : 10,186,750.95 = 4,242,462.42 : x - Step 2: Convert to fraction form
7,382,805.96/10,186,750.95 = 4,242,462.42/x - Step 3: Cross multiply
7,382,805.96x = 10,186,750.95 × 4,242,462.42 - Step 4: Simplify right side
7,382,805.96x = 43,216,908,025,926.30 - Step 5: Solve for x
x = 43,216,908,025,926.30/7,382,805.96 - Step 6: Final answer
x = 5,853,723.95
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1.5x scale
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.