Finding the Fourth Proportional to 26,628,148.98, 39,918,242.56 and 9,576,831.69
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Solution
The fourth proportional to 26,628,148.98, 39,918,242.56 and 9,576,831.69 is: 14,356,622.78
Step by Step Solution
- Step 1: Write the proportion equation
26,628,148.98 : 39,918,242.56 = 9,576,831.69 : x - Step 2: Convert to fraction form
26,628,148.98/39,918,242.56 = 9,576,831.69/x - Step 3: Cross multiply
26,628,148.98x = 39,918,242.56 × 9,576,831.69 - Step 4: Simplify right side
26,628,148.98x = 382,290,290,351,729.19 - Step 5: Solve for x
x = 382,290,290,351,729.19/26,628,148.98 - Step 6: Final answer
x = 14,356,622.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.