Finding the Fourth Proportional to 21,901,987.84, 30,224,943.84 and 12,111,926.08
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Solution
The fourth proportional to 21,901,987.84, 30,224,943.84 and 12,111,926.08 is: 16,714,568.93
Step by Step Solution
- Step 1: Write the proportion equation
21,901,987.84 : 30,224,943.84 = 12,111,926.08 : x - Step 2: Convert to fraction form
21,901,987.84/30,224,943.84 = 12,111,926.08/x - Step 3: Cross multiply
21,901,987.84x = 30,224,943.84 × 12,111,926.08 - Step 4: Simplify right side
21,901,987.84x = 366,082,285,562,231.38 - Step 5: Solve for x
x = 366,082,285,562,231.38/21,901,987.84 - Step 6: Final answer
x = 16,714,568.93
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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.