Finding the Fourth Proportional to 11,657,422.08, 16,086,848.99 and 6,430,639.10
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Solution
The fourth proportional to 11,657,422.08, 16,086,848.99 and 6,430,639.10 is: 8,874,064.89
Step by Step Solution
- Step 1: Write the proportion equation
11,657,422.08 : 16,086,848.99 = 6,430,639.10 : x - Step 2: Convert to fraction form
11,657,422.08/16,086,848.99 = 6,430,639.10/x - Step 3: Cross multiply
11,657,422.08x = 16,086,848.99 × 6,430,639.10 - Step 4: Simplify right side
11,657,422.08x = 103,448,719,998,302.06 - Step 5: Solve for x
x = 103,448,719,998,302.06/11,657,422.08 - Step 6: Final answer
x = 8,874,064.89
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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.