Finding the Fourth Proportional to 55,368,605.80, 83,052,908.70 and 14,979,089.80
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Solution
The fourth proportional to 55,368,605.80, 83,052,908.70 and 14,979,089.80 is: 22,468,634.70
Step by Step Solution
- Step 1: Write the proportion equation
55,368,605.80 : 83,052,908.70 = 14,979,089.80 : x - Step 2: Convert to fraction form
55,368,605.80/83,052,908.70 = 14,979,089.80/x - Step 3: Cross multiply
55,368,605.80x = 83,052,908.70 × 14,979,089.80 - Step 4: Simplify right side
55,368,605.80x = 1,244,056,977,568,501.25 - Step 5: Solve for x
x = 1,244,056,977,568,501.25/55,368,605.80 - Step 6: Final answer
x = 22,468,634.70
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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.