Finding the Fourth Proportional to 14,386,981.72, 21,582,268.37 and 5,632,129.49
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Solution
The fourth proportional to 14,386,981.72, 21,582,268.37 and 5,632,129.49 is: 8,448,897.24
Step by Step Solution
- Step 1: Write the proportion equation
14,386,981.72 : 21,582,268.37 = 5,632,129.49 : x - Step 2: Convert to fraction form
14,386,981.72/21,582,268.37 = 5,632,129.49/x - Step 3: Cross multiply
14,386,981.72x = 21,582,268.37 × 5,632,129.49 - Step 4: Simplify right side
14,386,981.72x = 121,554,130,119,610.58 - Step 5: Solve for x
x = 121,554,130,119,610.58/14,386,981.72 - Step 6: Final answer
x = 8,448,897.24
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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.