Finding the Fourth Proportional to 6,856,984.56, 10,235,407.64 and 6,357,430
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Solution
The fourth proportional to 6,856,984.56, 10,235,407.64 and 6,357,430 is: 9,489,723.51
Step by Step Solution
- Step 1: Write the proportion equation
6,856,984.56 : 10,235,407.64 = 6,357,430 : x - Step 2: Convert to fraction form
6,856,984.56/10,235,407.64 = 6,357,430/x - Step 3: Cross multiply
6,856,984.56x = 10,235,407.64 × 6,357,430 - Step 4: Simplify right side
6,856,984.56x = 65,070,887,592,765.20 - Step 5: Solve for x
x = 65,070,887,592,765.20/6,856,984.56 - Step 6: Final answer
x = 9,489,723.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.