Finding the Fourth Proportional to 28,068,658.08, 38,734,866 and 15,191,602.08
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Solution
The fourth proportional to 28,068,658.08, 38,734,866 and 15,191,602.08 is: 20,964,474.65
Step by Step Solution
- Step 1: Write the proportion equation
28,068,658.08 : 38,734,866 = 15,191,602.08 : x - Step 2: Convert to fraction form
28,068,658.08/38,734,866 = 15,191,602.08/x - Step 3: Cross multiply
28,068,658.08x = 38,734,866 × 15,191,602.08 - Step 4: Simplify right side
28,068,658.08x = 588,444,670,894,121.25 - Step 5: Solve for x
x = 588,444,670,894,121.25/28,068,658.08 - Step 6: Final answer
x = 20,964,474.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.