Finding the Fourth Proportional to 15,294,214.58, 21,106,572.98 and 8,324,555.24
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Solution
The fourth proportional to 15,294,214.58, 21,106,572.98 and 8,324,555.24 is: 11,488,189.32
Step by Step Solution
- Step 1: Write the proportion equation
15,294,214.58 : 21,106,572.98 = 8,324,555.24 : x - Step 2: Convert to fraction form
15,294,214.58/21,106,572.98 = 8,324,555.24/x - Step 3: Cross multiply
15,294,214.58x = 21,106,572.98 × 8,324,555.24 - Step 4: Simplify right side
15,294,214.58x = 175,702,832,614,379.97 - Step 5: Solve for x
x = 175,702,832,614,379.97/15,294,214.58 - Step 6: Final answer
x = 11,488,189.32
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1.5x scale
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.