Finding the Fourth Proportional to 54,574,538.40, 81,873,617.40 and 16,239,927.60
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Solution
The fourth proportional to 54,574,538.40, 81,873,617.40 and 16,239,927.60 is: 24,363,405.68
Step by Step Solution
- Step 1: Write the proportion equation
54,574,538.40 : 81,873,617.40 = 16,239,927.60 : x - Step 2: Convert to fraction form
54,574,538.40/81,873,617.40 = 16,239,927.60/x - Step 3: Cross multiply
54,574,538.40x = 81,873,617.40 × 16,239,927.60 - Step 4: Simplify right side
54,574,538.40x = 1,329,621,618,926,100.25 - Step 5: Solve for x
x = 1,329,621,618,926,100.25/54,574,538.40 - Step 6: Final answer
x = 24,363,405.68
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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.