Finding the Fourth Proportional to 17,579,029.44, 26,408,956.10 and 12,403,550.88
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Solution
The fourth proportional to 17,579,029.44, 26,408,956.10 and 12,403,550.88 is: 18,633,840.50
Step by Step Solution
- Step 1: Write the proportion equation
17,579,029.44 : 26,408,956.10 = 12,403,550.88 : x - Step 2: Convert to fraction form
17,579,029.44/26,408,956.10 = 12,403,550.88/x - Step 3: Cross multiply
17,579,029.44x = 26,408,956.10 × 12,403,550.88 - Step 4: Simplify right side
17,579,029.44x = 327,564,830,674,036.44 - Step 5: Solve for x
x = 327,564,830,674,036.44/17,579,029.44 - Step 6: Final answer
x = 18,633,840.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.