Finding the Fourth Proportional to 55,297,871.40, 82,946,807.10 and 14,912,437.80
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Solution
The fourth proportional to 55,297,871.40, 82,946,807.10 and 14,912,437.80 is: 22,368,656.70
Step by Step Solution
- Step 1: Write the proportion equation
55,297,871.40 : 82,946,807.10 = 14,912,437.80 : x - Step 2: Convert to fraction form
55,297,871.40/82,946,807.10 = 14,912,437.80/x - Step 3: Cross multiply
55,297,871.40x = 82,946,807.10 × 14,912,437.80 - Step 4: Simplify right side
55,297,871.40x = 1,236,939,101,587,348.25 - Step 5: Solve for x
x = 1,236,939,101,587,348.25/55,297,871.40 - Step 6: Final answer
x = 22,368,656.70
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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.