Finding the Fourth Proportional to 6,682,018.74, 9,216,421.43 and 6,132,505.02
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Solution
The fourth proportional to 6,682,018.74, 9,216,421.43 and 6,132,505.02 is: 8,458,484.31
Step by Step Solution
- Step 1: Write the proportion equation
6,682,018.74 : 9,216,421.43 = 6,132,505.02 : x - Step 2: Convert to fraction form
6,682,018.74/9,216,421.43 = 6,132,505.02/x - Step 3: Cross multiply
6,682,018.74x = 9,216,421.43 × 6,132,505.02 - Step 4: Simplify right side
6,682,018.74x = 56,519,750,655,248.05 - Step 5: Solve for x
x = 56,519,750,655,248.05/6,682,018.74 - Step 6: Final answer
x = 8,458,484.31
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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.