Finding the Fourth Proportional to 6,995,691.36, 9,658,511.52 and 5,709,599.52
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Solution
The fourth proportional to 6,995,691.36, 9,658,511.52 and 5,709,599.52 is: 7,882,885.32
Step by Step Solution
- Step 1: Write the proportion equation
6,995,691.36 : 9,658,511.52 = 5,709,599.52 : x - Step 2: Convert to fraction form
6,995,691.36/9,658,511.52 = 5,709,599.52/x - Step 3: Cross multiply
6,995,691.36x = 9,658,511.52 × 5,709,599.52 - Step 4: Simplify right side
6,995,691.36x = 55,146,232,738,506.46 - Step 5: Solve for x
x = 55,146,232,738,506.46/6,995,691.36 - Step 6: Final answer
x = 7,882,885.32
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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.