Finding the Fourth Proportional to 28,357,186.70, 42,544,702.92 and 10,148,968.28
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Solution
The fourth proportional to 28,357,186.70, 42,544,702.92 and 10,148,968.28 is: 15,226,645.89
Step by Step Solution
- Step 1: Write the proportion equation
28,357,186.70 : 42,544,702.92 = 10,148,968.28 : x - Step 2: Convert to fraction form
28,357,186.70/42,544,702.92 = 10,148,968.28/x - Step 3: Cross multiply
28,357,186.70x = 42,544,702.92 × 10,148,968.28 - Step 4: Simplify right side
28,357,186.70x = 431,784,840,417,103.38 - Step 5: Solve for x
x = 431,784,840,417,103.38/28,357,186.70 - Step 6: Final answer
x = 15,226,645.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.