Finding the Fourth Proportional to 11,553,502.81, 15,944,331.98 and 6,396,864.20
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Solution
The fourth proportional to 11,553,502.81, 15,944,331.98 and 6,396,864.20 is: 8,827,948.38
Step by Step Solution
- Step 1: Write the proportion equation
11,553,502.81 : 15,944,331.98 = 6,396,864.20 : x - Step 2: Convert to fraction form
11,553,502.81/15,944,331.98 = 6,396,864.20/x - Step 3: Cross multiply
11,553,502.81x = 15,944,331.98 × 6,396,864.20 - Step 4: Simplify right side
11,553,502.81x = 101,993,726,403,792.80 - Step 5: Solve for x
x = 101,993,726,403,792.80/11,553,502.81 - Step 6: Final answer
x = 8,827,948.38
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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.