Finding the Fourth Proportional to 9,245,601.14, 12,759,305.62 and 5,115,565.09
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Solution
The fourth proportional to 9,245,601.14, 12,759,305.62 and 5,115,565.09 is: 7,059,687.89
Step by Step Solution
- Step 1: Write the proportion equation
9,245,601.14 : 12,759,305.62 = 5,115,565.09 : x - Step 2: Convert to fraction form
9,245,601.14/12,759,305.62 = 5,115,565.09/x - Step 3: Cross multiply
9,245,601.14x = 12,759,305.62 × 5,115,565.09 - Step 4: Simplify right side
9,245,601.14x = 65,271,058,402,312.80 - Step 5: Solve for x
x = 65,271,058,402,312.80/9,245,601.14 - Step 6: Final answer
x = 7,059,687.89
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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.