Finding the Fourth Proportional to 7,855,444.28, 10,839,560.68 and 4,369,959.14
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Solution
The fourth proportional to 7,855,444.28, 10,839,560.68 and 4,369,959.14 is: 6,030,013.78
Step by Step Solution
- Step 1: Write the proportion equation
7,855,444.28 : 10,839,560.68 = 4,369,959.14 : x - Step 2: Convert to fraction form
7,855,444.28/10,839,560.68 = 4,369,959.14/x - Step 3: Cross multiply
7,855,444.28x = 10,839,560.68 × 4,369,959.14 - Step 4: Simplify right side
7,855,444.28x = 47,368,437,202,027.91 - Step 5: Solve for x
x = 47,368,437,202,027.91/7,855,444.28 - Step 6: Final answer
x = 6,030,013.78
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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.