Finding the Fourth Proportional to 18,897,708.90, 26,078,831.37 and 10,313,004.90
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Solution
The fourth proportional to 18,897,708.90, 26,078,831.37 and 10,313,004.90 is: 14,231,942.99
Step by Step Solution
- Step 1: Write the proportion equation
18,897,708.90 : 26,078,831.37 = 10,313,004.90 : x - Step 2: Convert to fraction form
18,897,708.90/26,078,831.37 = 10,313,004.90/x - Step 3: Cross multiply
18,897,708.90x = 26,078,831.37 × 10,313,004.90 - Step 4: Simplify right side
18,897,708.90x = 268,951,115,705,083.72 - Step 5: Solve for x
x = 268,951,115,705,083.72/18,897,708.90 - Step 6: Final answer
x = 14,231,942.99
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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.