Finding the Fourth Proportional to 11,430,815.78, 15,772,490.71 and 6,469,233.68
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Solution
The fourth proportional to 11,430,815.78, 15,772,490.71 and 6,469,233.68 is: 8,926,390.74
Step by Step Solution
- Step 1: Write the proportion equation
11,430,815.78 : 15,772,490.71 = 6,469,233.68 : x - Step 2: Convert to fraction form
11,430,815.78/15,772,490.71 = 6,469,233.68/x - Step 3: Cross multiply
11,430,815.78x = 15,772,490.71 × 6,469,233.68 - Step 4: Simplify right side
11,430,815.78x = 102,035,928,141,877.25 - Step 5: Solve for x
x = 102,035,928,141,877.25/11,430,815.78 - Step 6: Final answer
x = 8,926,390.74
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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.