Finding the Fourth Proportional to 9,641,604.64, 13,305,377.58 and 5,290,763.68
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Solution
The fourth proportional to 9,641,604.64, 13,305,377.58 and 5,290,763.68 is: 7,301,233.67
Step by Step Solution
- Step 1: Write the proportion equation
9,641,604.64 : 13,305,377.58 = 5,290,763.68 : x - Step 2: Convert to fraction form
9,641,604.64/13,305,377.58 = 5,290,763.68/x - Step 3: Cross multiply
9,641,604.64x = 13,305,377.58 × 5,290,763.68 - Step 4: Simplify right side
9,641,604.64x = 70,395,608,448,950.30 - Step 5: Solve for x
x = 70,395,608,448,950.30/9,641,604.64 - Step 6: Final answer
x = 7,301,233.67
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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.