Finding the Fourth Proportional to 57,226,727.70, 85,845,340.35 and 18,888,326.10
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Solution
The fourth proportional to 57,226,727.70, 85,845,340.35 and 18,888,326.10 is: 28,334,221.58
Step by Step Solution
- Step 1: Write the proportion equation
57,226,727.70 : 85,845,340.35 = 18,888,326.10 : x - Step 2: Convert to fraction form
57,226,727.70/85,845,340.35 = 18,888,326.10/x - Step 3: Cross multiply
57,226,727.70x = 85,845,340.35 × 18,888,326.10 - Step 4: Simplify right side
57,226,727.70x = 1,621,474,782,696,288.25 - Step 5: Solve for x
x = 1,621,474,782,696,288.25/57,226,727.70 - Step 6: Final answer
x = 28,334,221.58
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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.