Finding the Fourth Proportional to 11,514,622.64, 15,890,246.52 and 6,357,886.64
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Solution
The fourth proportional to 11,514,622.64, 15,890,246.52 and 6,357,886.64 is: 8,773,920.71
Step by Step Solution
- Step 1: Write the proportion equation
11,514,622.64 : 15,890,246.52 = 6,357,886.64 : x - Step 2: Convert to fraction form
11,514,622.64/15,890,246.52 = 6,357,886.64/x - Step 3: Cross multiply
11,514,622.64x = 15,890,246.52 × 6,357,886.64 - Step 4: Simplify right side
11,514,622.64x = 101,028,386,055,814.48 - Step 5: Solve for x
x = 101,028,386,055,814.48/11,514,622.64 - Step 6: Final answer
x = 8,773,920.71
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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.