Finding the Fourth Proportional to 12,713,430.06, 17,544,444.66 and 6,912,211.68
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Solution
The fourth proportional to 12,713,430.06, 17,544,444.66 and 6,912,211.68 is: 9,538,803.83
Step by Step Solution
- Step 1: Write the proportion equation
12,713,430.06 : 17,544,444.66 = 6,912,211.68 : x - Step 2: Convert to fraction form
12,713,430.06/17,544,444.66 = 6,912,211.68/x - Step 3: Cross multiply
12,713,430.06x = 17,544,444.66 × 6,912,211.68 - Step 4: Simplify right side
12,713,430.06x = 121,270,915,297,965.62 - Step 5: Solve for x
x = 121,270,915,297,965.62/12,713,430.06 - Step 6: Final answer
x = 9,538,803.83
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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.