Finding the Fourth Proportional to 11,781,464.19, 16,258,517.73 and 6,624,780.63
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Solution
The fourth proportional to 11,781,464.19, 16,258,517.73 and 6,624,780.63 is: 9,142,251.90
Step by Step Solution
- Step 1: Write the proportion equation
11,781,464.19 : 16,258,517.73 = 6,624,780.63 : x - Step 2: Convert to fraction form
11,781,464.19/16,258,517.73 = 6,624,780.63/x - Step 3: Cross multiply
11,781,464.19x = 16,258,517.73 × 6,624,780.63 - Step 4: Simplify right side
11,781,464.19x = 107,709,113,330,215.58 - Step 5: Solve for x
x = 107,709,113,330,215.58/11,781,464.19 - Step 6: Final answer
x = 9,142,251.90
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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.