Finding the Fourth Proportional to 21,563,652.12, 29,759,044.58 and 11,775,004.62
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Solution
The fourth proportional to 21,563,652.12, 29,759,044.58 and 11,775,004.62 is: 16,250,164.19
Step by Step Solution
- Step 1: Write the proportion equation
21,563,652.12 : 29,759,044.58 = 11,775,004.62 : x - Step 2: Convert to fraction form
21,563,652.12/29,759,044.58 = 11,775,004.62/x - Step 3: Cross multiply
21,563,652.12x = 29,759,044.58 × 11,775,004.62 - Step 4: Simplify right side
21,563,652.12x = 350,412,887,416,285.94 - Step 5: Solve for x
x = 350,412,887,416,285.94/21,563,652.12 - Step 6: Final answer
x = 16,250,164.19
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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.