Finding the Fourth Proportional to 14,422,828.77, 21,637,130.18 and 5,324,981.85
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Solution
The fourth proportional to 14,422,828.77, 21,637,130.18 and 5,324,981.85 is: 7,988,538.68
Step by Step Solution
- Step 1: Write the proportion equation
14,422,828.77 : 21,637,130.18 = 5,324,981.85 : x - Step 2: Convert to fraction form
14,422,828.77/21,637,130.18 = 5,324,981.85/x - Step 3: Cross multiply
14,422,828.77x = 21,637,130.18 × 5,324,981.85 - Step 4: Simplify right side
14,422,828.77x = 115,217,325,467,962.31 - Step 5: Solve for x
x = 115,217,325,467,962.31/14,422,828.77 - Step 6: Final answer
x = 7,988,538.68
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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.