Finding the Fourth Proportional to 22,471,580.17, 31,010,560.18 and 12,158,076.97
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Solution
The fourth proportional to 22,471,580.17, 31,010,560.18 and 12,158,076.97 is: 16,778,026.94
Step by Step Solution
- Step 1: Write the proportion equation
22,471,580.17 : 31,010,560.18 = 12,158,076.97 : x - Step 2: Convert to fraction form
22,471,580.17/31,010,560.18 = 12,158,076.97/x - Step 3: Cross multiply
22,471,580.17x = 31,010,560.18 × 12,158,076.97 - Step 4: Simplify right side
22,471,580.17x = 377,028,777,551,257.06 - Step 5: Solve for x
x = 377,028,777,551,257.06/22,471,580.17 - Step 6: Final answer
x = 16,778,026.94
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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.