Finding the Fourth Proportional to 16,518,208.48, 22,795,774.14 and 11,302,156.88
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Solution
The fourth proportional to 16,518,208.48, 22,795,774.14 and 11,302,156.88 is: 15,597,418.80
Step by Step Solution
- Step 1: Write the proportion equation
16,518,208.48 : 22,795,774.14 = 11,302,156.88 : x - Step 2: Convert to fraction form
16,518,208.48/22,795,774.14 = 11,302,156.88/x - Step 3: Cross multiply
16,518,208.48x = 22,795,774.14 × 11,302,156.88 - Step 4: Simplify right side
16,518,208.48x = 257,641,415,531,327.09 - Step 5: Solve for x
x = 257,641,415,531,327.09/16,518,208.48 - Step 6: Final answer
x = 15,597,418.80
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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.