Finding the Fourth Proportional to 16,662,537.78, 22,985,048.58 and 9,692,430.18
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Solution
The fourth proportional to 16,662,537.78, 22,985,048.58 and 9,692,430.18 is: 13,370,170.95
Step by Step Solution
- Step 1: Write the proportion equation
16,662,537.78 : 22,985,048.58 = 9,692,430.18 : x - Step 2: Convert to fraction form
16,662,537.78/22,985,048.58 = 9,692,430.18/x - Step 3: Cross multiply
16,662,537.78x = 22,985,048.58 × 9,692,430.18 - Step 4: Simplify right side
16,662,537.78x = 222,780,978,545,558.12 - Step 5: Solve for x
x = 222,780,978,545,558.12/16,662,537.78 - Step 6: Final answer
x = 13,370,170.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.