Finding the Fourth Proportional to 21,348,775.83, 29,461,324.55 and 11,559,226.65
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Solution
The fourth proportional to 21,348,775.83, 29,461,324.55 and 11,559,226.65 is: 15,951,740.31
Step by Step Solution
- Step 1: Write the proportion equation
21,348,775.83 : 29,461,324.55 = 11,559,226.65 : x - Step 2: Convert to fraction form
21,348,775.83/29,461,324.55 = 11,559,226.65/x - Step 3: Cross multiply
21,348,775.83x = 29,461,324.55 × 11,559,226.65 - Step 4: Simplify right side
21,348,775.83x = 340,550,127,945,123.75 - Step 5: Solve for x
x = 340,550,127,945,123.75/21,348,775.83 - Step 6: Final answer
x = 15,951,740.31
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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.