Finding the Fourth Proportional to 11,346,067.36, 15,658,312.80 and 6,451,744.96
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Solution
The fourth proportional to 11,346,067.36, 15,658,312.80 and 6,451,744.96 is: 8,903,828.74
Step by Step Solution
- Step 1: Write the proportion equation
11,346,067.36 : 15,658,312.80 = 6,451,744.96 : x - Step 2: Convert to fraction form
11,346,067.36/15,658,312.80 = 6,451,744.96/x - Step 3: Cross multiply
11,346,067.36x = 15,658,312.80 × 6,451,744.96 - Step 4: Simplify right side
11,346,067.36x = 101,023,440,689,503.50 - Step 5: Solve for x
x = 101,023,440,689,503.50/11,346,067.36 - Step 6: Final answer
x = 8,903,828.74
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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.