Finding the Fourth Proportional to 12,967,122.91, 17,893,107.06 and 7,165,558.66
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Solution
The fourth proportional to 12,967,122.91, 17,893,107.06 and 7,165,558.66 is: 9,887,629.60
Step by Step Solution
- Step 1: Write the proportion equation
12,967,122.91 : 17,893,107.06 = 7,165,558.66 : x - Step 2: Convert to fraction form
12,967,122.91/17,893,107.06 = 7,165,558.66/x - Step 3: Cross multiply
12,967,122.91x = 17,893,107.06 × 7,165,558.66 - Step 4: Simplify right side
12,967,122.91x = 128,214,108,248,090.12 - Step 5: Solve for x
x = 128,214,108,248,090.12/12,967,122.91 - Step 6: Final answer
x = 9,887,629.60
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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.