Finding the Fourth Proportional to 13,873,048.05, 20,809,572.08 and 13,306,177.65
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Solution
The fourth proportional to 13,873,048.05, 20,809,572.08 and 13,306,177.65 is: 19,959,266.48
Step by Step Solution
- Step 1: Write the proportion equation
13,873,048.05 : 20,809,572.08 = 13,306,177.65 : x - Step 2: Convert to fraction form
13,873,048.05/20,809,572.08 = 13,306,177.65/x - Step 3: Cross multiply
13,873,048.05x = 20,809,572.08 × 13,306,177.65 - Step 4: Simplify right side
13,873,048.05x = 276,895,862,850,429.12 - Step 5: Solve for x
x = 276,895,862,850,429.12/13,873,048.05 - Step 6: Final answer
x = 19,959,266.48
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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.