Finding the Fourth Proportional to 18,740,989.24, 28,112,106.15 and 6,444,831.94
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Solution
The fourth proportional to 18,740,989.24, 28,112,106.15 and 6,444,831.94 is: 9,667,461.91
Step by Step Solution
- Step 1: Write the proportion equation
18,740,989.24 : 28,112,106.15 = 6,444,831.94 : x - Step 2: Convert to fraction form
18,740,989.24/28,112,106.15 = 6,444,831.94/x - Step 3: Cross multiply
18,740,989.24x = 28,112,106.15 × 6,444,831.94 - Step 4: Simplify right side
18,740,989.24x = 181,177,799,616,190.44 - Step 5: Solve for x
x = 181,177,799,616,190.44/18,740,989.24 - Step 6: Final answer
x = 9,667,461.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.