Finding the Fourth Proportional to 7,163,503.26, 9,885,541.71 and 3,900,280.62
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Solution
The fourth proportional to 7,163,503.26, 9,885,541.71 and 3,900,280.62 is: 5,382,336.74
Step by Step Solution
- Step 1: Write the proportion equation
7,163,503.26 : 9,885,541.71 = 3,900,280.62 : x - Step 2: Convert to fraction form
7,163,503.26/9,885,541.71 = 3,900,280.62/x - Step 3: Cross multiply
7,163,503.26x = 9,885,541.71 × 3,900,280.62 - Step 4: Simplify right side
7,163,503.26x = 38,556,386,749,714.66 - Step 5: Solve for x
x = 38,556,386,749,714.66/7,163,503.26 - Step 6: Final answer
x = 5,382,336.74
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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.