Finding the Fourth Proportional to 10,445,813.37, 15,669,440.06 and 4,374,432.09
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Solution
The fourth proportional to 10,445,813.37, 15,669,440.06 and 4,374,432.09 is: 6,561,949.65
Step by Step Solution
- Step 1: Write the proportion equation
10,445,813.37 : 15,669,440.06 = 4,374,432.09 : x - Step 2: Convert to fraction form
10,445,813.37/15,669,440.06 = 4,374,432.09/x - Step 3: Cross multiply
10,445,813.37x = 15,669,440.06 × 4,374,432.09 - Step 4: Simplify right side
10,445,813.37x = 68,544,901,408,923.36 - Step 5: Solve for x
x = 68,544,901,408,923.36/10,445,813.37 - Step 6: Final answer
x = 6,561,949.65
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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.