Finding the Fourth Proportional to 27,290,776.74, 37,660,986.27 and 14,900,831.76
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Solution
The fourth proportional to 27,290,776.74, 37,660,986.27 and 14,900,831.76 is: 20,562,991.87
Step by Step Solution
- Step 1: Write the proportion equation
27,290,776.74 : 37,660,986.27 = 14,900,831.76 : x - Step 2: Convert to fraction form
27,290,776.74/37,660,986.27 = 14,900,831.76/x - Step 3: Cross multiply
27,290,776.74x = 37,660,986.27 × 14,900,831.76 - Step 4: Simplify right side
27,290,776.74x = 561,180,020,307,851.81 - Step 5: Solve for x
x = 561,180,020,307,851.81/27,290,776.74 - Step 6: Final answer
x = 20,562,991.87
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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.