Finding the Fourth Proportional to 15,611,260.10, 21,542,498.06 and 8,641,466.06
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Solution
The fourth proportional to 15,611,260.10, 21,542,498.06 and 8,641,466.06 is: 11,924,646.99
Step by Step Solution
- Step 1: Write the proportion equation
15,611,260.10 : 21,542,498.06 = 8,641,466.06 : x - Step 2: Convert to fraction form
15,611,260.10/21,542,498.06 = 8,641,466.06/x - Step 3: Cross multiply
15,611,260.10x = 21,542,498.06 × 8,641,466.06 - Step 4: Simplify right side
15,611,260.10x = 186,158,765,833,105.84 - Step 5: Solve for x
x = 186,158,765,833,105.84/15,611,260.10 - Step 6: Final answer
x = 11,924,646.99
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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.