Finding the Fourth Proportional to 55,031,957.84, 82,559,676.60 and 18,639,072.08
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Solution
The fourth proportional to 55,031,957.84, 82,559,676.60 and 18,639,072.08 is: 27,962,584.35
Step by Step Solution
- Step 1: Write the proportion equation
55,031,957.84 : 82,559,676.60 = 18,639,072.08 : x - Step 2: Convert to fraction form
55,031,957.84/82,559,676.60 = 18,639,072.08/x - Step 3: Cross multiply
55,031,957.84x = 82,559,676.60 × 18,639,072.08 - Step 4: Simplify right side
55,031,957.84x = 1,538,835,763,048,889 - Step 5: Solve for x
x = 1,538,835,763,048,889/55,031,957.84 - Step 6: Final answer
x = 27,962,584.35
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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.