Finding the Fourth Proportional to 47,360,228.80, 71,009,239.20 and 18,589,028.80
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Solution
The fourth proportional to 47,360,228.80, 71,009,239.20 and 18,589,028.80 is: 27,871,334.79
Step by Step Solution
- Step 1: Write the proportion equation
47,360,228.80 : 71,009,239.20 = 18,589,028.80 : x - Step 2: Convert to fraction form
47,360,228.80/71,009,239.20 = 18,589,028.80/x - Step 3: Cross multiply
47,360,228.80x = 71,009,239.20 × 18,589,028.80 - Step 4: Simplify right side
47,360,228.80x = 1,319,992,792,554,889 - Step 5: Solve for x
x = 1,319,992,792,554,889/47,360,228.80 - Step 6: Final answer
x = 27,871,334.79
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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.