Finding the Fourth Proportional to 9,917,739.35, 13,685,729.19 and 5,565,985.19
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Solution
The fourth proportional to 9,917,739.35, 13,685,729.19 and 5,565,985.19 is: 7,680,638.03
Step by Step Solution
- Step 1: Write the proportion equation
9,917,739.35 : 13,685,729.19 = 5,565,985.19 : x - Step 2: Convert to fraction form
9,917,739.35/13,685,729.19 = 5,565,985.19/x - Step 3: Cross multiply
9,917,739.35x = 13,685,729.19 × 5,565,985.19 - Step 4: Simplify right side
9,917,739.35x = 76,174,565,985,890.70 - Step 5: Solve for x
x = 76,174,565,985,890.70/9,917,739.35 - Step 6: Final answer
x = 7,680,638.03
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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.