Finding the Fourth Proportional to 11,645,291.28, 16,070,287.68 and 6,488,541.84
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Solution
The fourth proportional to 11,645,291.28, 16,070,287.68 and 6,488,541.84 is: 8,954,068.34
Step by Step Solution
- Step 1: Write the proportion equation
11,645,291.28 : 16,070,287.68 = 6,488,541.84 : x - Step 2: Convert to fraction form
11,645,291.28/16,070,287.68 = 6,488,541.84/x - Step 3: Cross multiply
11,645,291.28x = 16,070,287.68 × 6,488,541.84 - Step 4: Simplify right side
11,645,291.28x = 104,272,733,992,516.53 - Step 5: Solve for x
x = 104,272,733,992,516.53/11,645,291.28 - Step 6: Final answer
x = 8,954,068.34
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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.