Finding the Fourth Proportional to 7,827,393.12, 11,743,886.44 and 4,759,625.46
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Solution
The fourth proportional to 7,827,393.12, 11,743,886.44 and 4,759,625.46 is: 7,141,138.82
Step by Step Solution
- Step 1: Write the proportion equation
7,827,393.12 : 11,743,886.44 = 4,759,625.46 : x - Step 2: Convert to fraction form
7,827,393.12/11,743,886.44 = 4,759,625.46/x - Step 3: Cross multiply
7,827,393.12x = 11,743,886.44 × 4,759,625.46 - Step 4: Simplify right side
7,827,393.12x = 55,896,500,899,172.76 - Step 5: Solve for x
x = 55,896,500,899,172.76/7,827,393.12 - Step 6: Final answer
x = 7,141,138.82
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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.