Finding the Fourth Proportional to 27,078,855.48, 40,637,676.62 and 11,527,587.09
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Solution
The fourth proportional to 27,078,855.48, 40,637,676.62 and 11,527,587.09 is: 17,299,636.49
Step by Step Solution
- Step 1: Write the proportion equation
27,078,855.48 : 40,637,676.62 = 11,527,587.09 : x - Step 2: Convert to fraction form
27,078,855.48/40,637,676.62 = 11,527,587.09/x - Step 3: Cross multiply
27,078,855.48x = 40,637,676.62 × 11,527,587.09 - Step 4: Simplify right side
27,078,855.48x = 468,454,356,372,306.81 - Step 5: Solve for x
x = 468,454,356,372,306.81/27,078,855.48 - Step 6: Final answer
x = 17,299,636.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.