Finding the Fourth Proportional to 11,892,560.13, 16,411,457.79 and 6,930,685.62
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Solution
The fourth proportional to 11,892,560.13, 16,411,457.79 and 6,930,685.62 is: 9,564,185.78
Step by Step Solution
- Step 1: Write the proportion equation
11,892,560.13 : 16,411,457.79 = 6,930,685.62 : x - Step 2: Convert to fraction form
11,892,560.13/16,411,457.79 = 6,930,685.62/x - Step 3: Cross multiply
11,892,560.13x = 16,411,457.79 × 6,930,685.62 - Step 4: Simplify right side
11,892,560.13x = 113,742,654,508,389.97 - Step 5: Solve for x
x = 113,742,654,508,389.97/11,892,560.13 - Step 6: Final answer
x = 9,564,185.78
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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.