Finding the Fourth Proportional to 15,261,023.10, 22,891,534.65 and 13,206,117.90
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Solution
The fourth proportional to 15,261,023.10, 22,891,534.65 and 13,206,117.90 is: 19,809,176.85
Step by Step Solution
- Step 1: Write the proportion equation
15,261,023.10 : 22,891,534.65 = 13,206,117.90 : x - Step 2: Convert to fraction form
15,261,023.10/22,891,534.65 = 13,206,117.90/x - Step 3: Cross multiply
15,261,023.10x = 22,891,534.65 × 13,206,117.90 - Step 4: Simplify right side
15,261,023.10x = 302,308,305,499,835.25 - Step 5: Solve for x
x = 302,308,305,499,835.25/15,261,023.10 - Step 6: Final answer
x = 19,809,176.85
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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.