Finding the Fourth Proportional to 21,977,379.12, 32,966,346.99 and 8,326,858.67
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Solution
The fourth proportional to 21,977,379.12, 32,966,346.99 and 8,326,858.67 is: 12,490,393.46
Step by Step Solution
- Step 1: Write the proportion equation
21,977,379.12 : 32,966,346.99 = 8,326,858.67 : x - Step 2: Convert to fraction form
21,977,379.12/32,966,346.99 = 8,326,858.67/x - Step 3: Cross multiply
21,977,379.12x = 32,966,346.99 × 8,326,858.67 - Step 4: Simplify right side
21,977,379.12x = 274,506,112,380,524.81 - Step 5: Solve for x
x = 274,506,112,380,524.81/21,977,379.12 - Step 6: Final answer
x = 12,490,393.46
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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.