Finding the Fourth Proportional to 10,787,828.86, 14,887,656.45 and 6,204,153.94
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Solution
The fourth proportional to 10,787,828.86, 14,887,656.45 and 6,204,153.94 is: 8,561,992.74
Step by Step Solution
- Step 1: Write the proportion equation
10,787,828.86 : 14,887,656.45 = 6,204,153.94 : x - Step 2: Convert to fraction form
10,787,828.86/14,887,656.45 = 6,204,153.94/x - Step 3: Cross multiply
10,787,828.86x = 14,887,656.45 × 6,204,153.94 - Step 4: Simplify right side
10,787,828.86x = 92,365,312,421,633.92 - Step 5: Solve for x
x = 92,365,312,421,633.92/10,787,828.86 - Step 6: Final answer
x = 8,561,992.74
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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.