Finding the Fourth Proportional to 9,434,948.99, 12,988,098.56 and 6,982,939.26
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Solution
The fourth proportional to 9,434,948.99, 12,988,098.56 and 6,982,939.26 is: 9,612,675.54
Step by Step Solution
- Step 1: Write the proportion equation
9,434,948.99 : 12,988,098.56 = 6,982,939.26 : x - Step 2: Convert to fraction form
9,434,948.99/12,988,098.56 = 6,982,939.26/x - Step 3: Cross multiply
9,434,948.99x = 12,988,098.56 × 6,982,939.26 - Step 4: Simplify right side
9,434,948.99x = 90,695,103,364,830.81 - Step 5: Solve for x
x = 90,695,103,364,830.81/9,434,948.99 - Step 6: Final answer
x = 9,612,675.54
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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.