Finding the Fourth Proportional to 15,764,534.56, 21,755,214.18 and 8,795,153.32
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Solution
The fourth proportional to 15,764,534.56, 21,755,214.18 and 8,795,153.32 is: 12,137,398.88
Step by Step Solution
- Step 1: Write the proportion equation
15,764,534.56 : 21,755,214.18 = 8,795,153.32 : x - Step 2: Convert to fraction form
15,764,534.56/21,755,214.18 = 8,795,153.32/x - Step 3: Cross multiply
15,764,534.56x = 21,755,214.18 × 8,795,153.32 - Step 4: Simplify right side
15,764,534.56x = 191,340,444,168,150.06 - Step 5: Solve for x
x = 191,340,444,168,150.06/15,764,534.56 - Step 6: Final answer
x = 12,137,398.88
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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.